diff --git a/apps/browser-example/src/App.tsx b/apps/browser-example/src/App.tsx
index def5535..04df73e 100644
--- a/apps/browser-example/src/App.tsx
+++ b/apps/browser-example/src/App.tsx
@@ -4,10 +4,8 @@ import { useKeyManager } from "./hooks/key"
 import { OfficialSDKWebSocketExample } from "./pages/OfficialSDKWebSocketExample"
 import { WebRTCExample } from "./pages/WebRTCExample"
 import { PageProps } from "./pages/props"
-import { RealtimeServerEventEvent } from "@tsorta/browser/WebRTC/events"
 
 export function App() {
-  const [events, setEvents] = useState<any[]>([])
   const { key, KeyModal, EnterKeyButton } = useKeyManager()
   const [sessionStatus, setSessionStatus] = useState<
     "unavailable" | "stopped" | "recording"
@@ -19,10 +17,6 @@ export function App() {
     }
   }, [key])
 
-  const onServerEvent = (event: RealtimeServerEventEvent) => {
-    setEvents((events) => [...events, event.event])
-  }
-
   const [routes] = useState({
     WebRTC: {
       label: "WebRTC Example",
@@ -54,7 +48,6 @@ export function App() {
                     activeRoute={activeRoute}
                     label={route.label}
                     onNavigate={(route) => {
-                      setEvents([])
                       setActiveRoute(route)
                     }}
                   />
@@ -71,13 +64,8 @@ export function App() {
           apiKey: key,
           sessionStatus,
           onSessionStatusChanged: (status) => {
-            if (status === "recording") {
-              setEvents([])
-            }
             setSessionStatus(status)
           },
-          events,
-          onServerEvent,
         })}
       </main>
     </>
diff --git a/apps/browser-example/src/components/EventList.tsx b/apps/browser-example/src/components/EventList.tsx
index b14cc45..648f6eb 100644
--- a/apps/browser-example/src/components/EventList.tsx
+++ b/apps/browser-example/src/components/EventList.tsx
@@ -50,8 +50,8 @@ export function EventList({ events }: { events: any[] }) {
 
   return (
     <div className="card my-2">
-      <div className="card-header d-flex gap-2">
-        <div className="dropdown">
+      <div className="card-header">
+        <div className="buttons-in-card-header d-flex gap-2 align-items-center">
           <button
             type="button"
             className="btn btn-primary dropdown-toggle"
diff --git a/apps/browser-example/src/components/RealtimeSessionView.tsx b/apps/browser-example/src/components/RealtimeSessionView.tsx
index d7eb76e..daedd29 100644
--- a/apps/browser-example/src/components/RealtimeSessionView.tsx
+++ b/apps/browser-example/src/components/RealtimeSessionView.tsx
@@ -1,22 +1,53 @@
-import { ReactNode } from "react"
+import { ReactNode, useState } from "react"
 import { BootstrapIcon } from "./BootstrapIcon"
 import { EventList } from "./EventList"
+import { useModal } from "../hooks/useModal"
+import { RealtimeSessionCreateRequest } from "@tsorta/browser/openai"
+
+type PartialSessionRequestWithModel = Partial<RealtimeSessionCreateRequest> &
+  Pick<Required<RealtimeSessionCreateRequest>, "model">
+export interface StartSessionOptions {
+  sessionRequest: PartialSessionRequestWithModel
+}
 
 interface RealtimeSessionViewProps {
-  startSession: () => Promise<void>
+  startSession: (options: StartSessionOptions) => Promise<void>
   stopSession: () => Promise<void>
   sessionStatus: "unavailable" | "stopped" | "recording"
-  events: any[]
+  events: { type: string }[]
 }
+
 export function RealtimeSessionView({
   startSession,
   stopSession,
   sessionStatus,
   events,
 }: RealtimeSessionViewProps): ReactNode {
+  // TODO: allow user to select the model
+  const model = "gpt-4o-realtime-preview-2024-12-17"
+
+  const [instructions, setInstructions] = useState<string | undefined>(
+    undefined
+  )
+
+  const modal = useModal({
+    title: "Edit Instructions",
+    children: (
+      <InstructionModalContent
+        instructions={instructions}
+        setInstructions={setInstructions}
+      />
+    ),
+    primaryButtonText: "Save Instructions",
+    onPrimaryButtonClicked: () => {
+      modal.hideModal()
+    },
+  })
+
   return (
     <div>
-      <ul className="nav gap-2 mt-3">
+      {modal.Modal}
+      <ul className="nav gap-2 mt-3 d-flex align-items-center">
         <li className="nav-item">
           <div className="d-flex align-items-center gap-1">
             {sessionStatus === "recording" && (
@@ -32,7 +63,31 @@ export function RealtimeSessionView({
               type="button"
               disabled={sessionStatus !== "stopped"}
               onClick={async () => {
-                await startSession()
+                const chkTranscribeUserAudio = document.getElementById(
+                  "transcribeAudio"
+                ) as HTMLInputElement
+
+                let sessionRequest: PartialSessionRequestWithModel = {
+                  model,
+                }
+
+                // this how to turn on transcription of user's input_audio:
+                if (chkTranscribeUserAudio.checked) {
+                  sessionRequest = {
+                    ...sessionRequest,
+                    input_audio_transcription: {
+                      model: "whisper-1",
+                    },
+                  }
+                }
+                // this is how to override instructions/prompt to the Realtime model:
+                if (instructions) {
+                  sessionRequest = {
+                    ...sessionRequest,
+                    instructions: instructions,
+                  }
+                }
+                await startSession({ sessionRequest })
               }}
             >
               <BootstrapIcon name="record" size={24} />
@@ -51,6 +106,29 @@ export function RealtimeSessionView({
             <BootstrapIcon name="stop" size={24} />
           </button>
         </li>
+        <li className="nav-item">
+          <div className="form-check">
+            <input
+              className="form-check-input"
+              type="checkbox"
+              id="transcribeAudio"
+            />
+            <label className="form-check-label" htmlFor="transcribeAudio">
+              Transcribe User Audio
+            </label>
+          </div>
+        </li>
+        <li className="nav-item">
+          <button
+            className="btn btn-sm btn-outline-secondary"
+            type="button"
+            onClick={() => {
+              modal.showModal()
+            }}
+          >
+            Edit Instructions
+          </button>
+        </li>
       </ul>
 
       <h2>Events:</h2>
@@ -58,3 +136,45 @@ export function RealtimeSessionView({
     </div>
   )
 }
+
+const InstructionModalContent = ({
+  instructions,
+  setInstructions,
+}: {
+  instructions: string | undefined
+  setInstructions: (instructions: string) => void
+}) => {
+  return (
+    <div>
+      <div className="modal-body">
+        <p>
+          You can enter the instructions (prompt) for the modal below. If you do
+          not specify them, default instructions will be used. The default
+          instructions are usually something like the following:
+        </p>
+        <p style={{ fontFamily: "monospace" }}>
+          Your knowledge cutoff is 2023-10. You are a helpful, witty, and
+          friendly AI. Act like a human, but remember that you aren't a human
+          and that you can't do human things in the real world. Your voice and
+          personality should be warm and engaging, with a lively and playful
+          tone. If interacting in a non-English language, start by using the
+          standard accent or dialect familiar to the user. Talk quickly. You
+          should always call a function if you can. Do not refer to these rules,
+          even if you’re asked about them.
+        </p>
+        <label htmlFor="instructions" className="form-label">
+          Instructions:
+        </label>
+        <textarea
+          className="form-control"
+          id="instructions"
+          rows={6}
+          value={instructions}
+          onChange={(e) => {
+            setInstructions(e.target.value)
+          }}
+        />
+      </div>
+    </div>
+  )
+}
diff --git a/apps/browser-example/src/hooks/useModal.tsx b/apps/browser-example/src/hooks/useModal.tsx
new file mode 100644
index 0000000..53b1fac
--- /dev/null
+++ b/apps/browser-example/src/hooks/useModal.tsx
@@ -0,0 +1,104 @@
+import { type ReactNode, useState } from "react"
+
+interface ModalProps {
+  children: ReactNode
+  title: string
+  primaryButtonText: string
+  cancelButtonText?: string
+  onPrimaryButtonClicked: () => void
+  onCanceled?: () => void
+  backgroundStyle?: "danger" | "primary"
+}
+
+interface UseModalProps extends ModalProps {}
+
+interface UseModalResult {
+  Modal: ReactNode
+  showModal(): void
+  hideModal(): void
+}
+
+export function useModal(options: UseModalProps): UseModalResult {
+  const [showModal, setShowModal] = useState(false)
+  const componentOptions = { ...options, setShowModal }
+
+  return {
+    Modal: showModal ? <ModalComponent {...componentOptions} /> : <></>,
+    showModal: () => setShowModal(true),
+    hideModal: () => setShowModal(false),
+  }
+}
+
+function ModalComponent(
+  options: ModalProps & { setShowModal: (show: boolean) => void }
+): ReactNode {
+  const defaultOptions = {
+    onCanceled: () => {},
+    cancelButtonText: "Cancel",
+    backgroundStyle: "primary",
+  }
+  const {
+    children,
+    title,
+    onCanceled,
+    backgroundStyle,
+    cancelButtonText,
+    primaryButtonText,
+    onPrimaryButtonClicked,
+    setShowModal,
+  } = {
+    ...defaultOptions,
+    ...options,
+  }
+  return (
+    <div
+      className="modal fade show d-block"
+      tabIndex={-1}
+      aria-labelledby="modalLabel"
+      aria-hidden="true"
+    >
+      <div className="modal-dialog modal-dialog-centered">
+        <div className="modal-content">
+          <div className={`modal-header bg-${backgroundStyle} text-white`}>
+            <h5 className="modal-title" id="modalLabel">
+              {title}
+            </h5>
+            <button
+              type="button"
+              className="btn-close btn-close-white"
+              data-bs-dismiss="modal"
+              aria-label="Close"
+              onClick={() => {
+                setShowModal(false)
+                onCanceled()
+              }}
+            ></button>
+          </div>
+          <div className="modal-body">{children}</div>
+          <div className="modal-footer">
+            <button
+              type="button"
+              className="btn btn-secondary"
+              onClick={() => {
+                setShowModal(false)
+                onCanceled()
+              }}
+            >
+              {cancelButtonText}
+            </button>
+            <button
+              type="button"
+              className="btn btn-primary"
+              onClick={() => {
+                setShowModal(false)
+                onPrimaryButtonClicked()
+              }}
+            >
+              {primaryButtonText}
+            </button>
+          </div>
+        </div>
+      </div>
+    </div>
+  )
+}
diff --git a/apps/browser-example/src/pages/OfficialSDKWebSocketExample.tsx b/apps/browser-example/src/pages/OfficialSDKWebSocketExample.tsx
index 8f07957..ff113ad 100644
--- a/apps/browser-example/src/pages/OfficialSDKWebSocketExample.tsx
+++ b/apps/browser-example/src/pages/OfficialSDKWebSocketExample.tsx
@@ -1,68 +1,68 @@
-import { useState } from "react"
+import { useCallback, useState } from "react"
 import { OpenAIRealtimeWebSocket } from "openai/beta/realtime/websocket"
 import OpenAI from "openai"
-import { RealtimeSessionView } from "../components/RealtimeSessionView"
+import {
+  RealtimeSessionView,
+  StartSessionOptions,
+} from "../components/RealtimeSessionView"
 import { PageProps } from "./props"
 
-const model = "gpt-4o-realtime-preview-2024-12-17"
-
 export function OfficialSDKWebSocketExample({
   apiKey,
   sessionStatus,
   onSessionStatusChanged,
-  events,
-  onServerEvent,
 }: PageProps) {
   const [client, setClient] = useState<OpenAIRealtimeWebSocket | undefined>(
     undefined
   )
+  const [events, setEvents] = useState<any[]>([])
 
-  async function startSession(): Promise<void> {
+  const startSession = useCallback(async function startSession({
+    sessionRequest,
+  }: StartSessionOptions): Promise<void> {
     const oaiClient = new OpenAI({ apiKey, dangerouslyAllowBrowser: true })
     const client = new OpenAIRealtimeWebSocket(
       {
-        model,
+        model: sessionRequest.model,
         dangerouslyAllowBrowser: true,
       },
       oaiClient
     )
     setClient(client)
 
-    // listen:
-    client.on("event", onServerEvent)
+    client.on("event", (event) => {
+      console.log("client.on event", event)
+      setEvents((events) => [...events, event])
+    })
 
     // kick things off when the socket opens:
     client.socket.addEventListener("open", () => {
       console.log("Connection opened!")
 
-      /*
-      // not strictly necessary
       client.send({
         type: "session.update",
         session: {
-          modalities: ["text"],
-          model: "gpt-4o-realtime-preview",
+          ...sessionRequest,
+          // NOTE: OpenAI's OpenAPI types have a bit of a mismatch here
+          modalities: sessionRequest.modalities as ("audio" | "text")[],
         },
-      })*/
+      })
 
       client.send({
         type: "conversation.item.create",
         item: {
           type: "message",
           role: "user",
-          content: [{ type: "input_text", text: "Say a couple paragraphs!" }],
+          content: [{ type: "input_text", text: "Tell me something!" }],
         },
       })
 
       client.send({ type: "response.create" })
     })
 
-    client.on("event", (event) => {
-      onServerEvent(event)
-    })
-
     onSessionStatusChanged("recording")
-  }
+  },
+  [])
 
   async function stopSession() {
     if (!client) {
diff --git a/apps/browser-example/src/pages/WebRTCExample.tsx b/apps/browser-example/src/pages/WebRTCExample.tsx
index f576628..9d7efdd 100644
--- a/apps/browser-example/src/pages/WebRTCExample.tsx
+++ b/apps/browser-example/src/pages/WebRTCExample.tsx
@@ -1,5 +1,8 @@
 import { ReactNode, useCallback, useRef, useState } from "react"
-import { RealtimeSessionView } from "../components/RealtimeSessionView"
+import {
+  RealtimeSessionView,
+  StartSessionOptions,
+} from "../components/RealtimeSessionView"
 import { RealtimeClient } from "@tsorta/browser/WebRTC"
 import { PageProps } from "./props"
 
@@ -7,15 +10,16 @@ export function WebRTCExample({
   apiKey,
   sessionStatus,
   onSessionStatusChanged,
-  events,
-  onServerEvent,
 }: PageProps): ReactNode {
   const audioElementRef = useRef<HTMLAudioElement>(null)
 
   const [client, setClient] = useState<RealtimeClient | undefined>(undefined)
+  const [events, setEvents] = useState<any[]>([])
 
   const startSession = useCallback(
-    async function startSession(): Promise<void> {
+    async function startSession({
+      sessionRequest,
+    }: StartSessionOptions): Promise<void> {
       if (!apiKey) {
         throw new Error("API key is required")
       }
@@ -23,22 +27,35 @@ export function WebRTCExample({
         throw new Error("Audio element not found")
       }
 
+      console.debug("Starting session with request", {
+        sessionRequest,
+      })
+
       const client = new RealtimeClient(
         navigator,
-        () => apiKey,
+        // @ts-expect-error TS6133: 'sessionRequested' is declared but its value is never read.
+        ({ sessionRequested }) => {
+          // NOTE: For the sake of the example, we're using a "real" OpenAI API
+          //   key rather than a Realtime API Session ephemeral key, as you
+          //   should do in a production app. So this sessionRequested argument
+          //   isn't useful in the example, but in a production app you can use
+          //   it to request a session with the these parameters.
+          return apiKey
+        },
         audioElementRef.current,
-        { model: "gpt-4o-realtime-preview-2024-12-17" }
+        sessionRequest
       )
       setClient(client)
 
       client.addEventListener("serverEvent", (event) => {
-        onServerEvent(event)
+        setEvents((events) => [...events, event])
       })
+
       await client.start()
 
       onSessionStatusChanged("recording")
     },
-    [apiKey, audioElementRef, onServerEvent, onSessionStatusChanged, navigator]
+    [apiKey, audioElementRef, onSessionStatusChanged, navigator]
   )
 
   const stopSession = useCallback(
diff --git a/apps/browser-example/src/pages/props.ts b/apps/browser-example/src/pages/props.ts
index f88e973..562c8ff 100644
--- a/apps/browser-example/src/pages/props.ts
+++ b/apps/browser-example/src/pages/props.ts
@@ -4,6 +4,4 @@ export interface PageProps {
   onSessionStatusChanged: (
     status: "unavailable" | "stopped" | "recording"
   ) => void
-  events: any[]
-  onServerEvent: (event: any) => void
 }
diff --git a/packages/browser/scripts/gen-openai-from-openapi.sh b/packages/browser/scripts/gen-openai-from-openapi.sh
index ed80711..97c918d 100755
--- a/packages/browser/scripts/gen-openai-from-openapi.sh
+++ b/packages/browser/scripts/gen-openai-from-openapi.sh
@@ -8,5 +8,5 @@ parent_dir=$(cd "${this_dir}/.."; pwd)
 
 # https://github.com/openai/openai-openapi
 # https://raw.githubusercontent.com/openai/openai-openapi/25be47865ea2df1179a46be045c2f6b65f38e982/openapi.yaml
-
-npx openapi-typescript "https://raw.githubusercontent.com/openai/openai-openapi/25be47865ea2df1179a46be045c2f6b65f38e982/openapi.yaml" -o "${parent_dir}/src/openai/openapi.ts"
+# https://raw.githubusercontent.com/openai/openai-openapi/acea67a5045a6873c6eb2573a6be0e0a7b092ec6/openapi.yaml
+npx openapi-typescript "https://raw.githubusercontent.com/openai/openai-openapi/acea67a5045a6873c6eb2573a6be0e0a7b092ec6/openapi.yaml" -o "${parent_dir}/src/openai/openapi.ts"
diff --git a/packages/browser/src/WebRTC/RealtimeClient.ts b/packages/browser/src/WebRTC/RealtimeClient.ts
index bf01e98..b8fa96d 100644
--- a/packages/browser/src/WebRTC/RealtimeClient.ts
+++ b/packages/browser/src/WebRTC/RealtimeClient.ts
@@ -53,6 +53,9 @@ const RealtimeClientDefaultOptions: RealtimeClientOptions = {
   baseUrl: "https://api.openai.com/v1/realtime",
 }
 
+interface EphemeralApiKeyOptions {
+  sessionRequested: RealtimeSessionCreateRequest
+}
 /**
  * A TypeScript client for the OpenAI Realtime API using WebRTC in the browser.
  */
@@ -79,7 +82,9 @@ export class RealtimeClient {
    */
   constructor(
     private readonly navigator: Navigator,
-    private readonly getRealtimeEphemeralAPIKey: () => Promise<string> | string,
+    private readonly getRealtimeEphemeralAPIKey: (
+      options: EphemeralApiKeyOptions
+    ) => Promise<string> | string,
     private readonly audioElement: HTMLAudioElement,
     private readonly sessionRequested: RealtimeSessionCreateRequest,
     options: Partial<RealtimeClientOptions> = RealtimeClientDefaultOptions
@@ -220,12 +225,17 @@ export class RealtimeClient {
 
     let apiKey: string
     try {
-      apiKey = await this.getRealtimeEphemeralAPIKey()
+      apiKey = await this.getRealtimeEphemeralAPIKey({
+        sessionRequested: this.sessionRequested,
+      })
     } catch (err) {
       throw new Error("getRealtimeEphemeralAPIKey handler failed.", {
         cause: err,
       })
     }
+    if (!apiKey) {
+      throw new Error("getRealtimeEphemeralAPIKey did not return an API key.")
+    }
 
     const sdpResponse = await fetch(`${this.baseUrl}?model=${this.model}`, {
       method: "POST",
@@ -360,7 +370,6 @@ export class RealtimeClient {
     return new Blob(this.audioChunks, { type: "audio/webm" })
   }
 
-  // TODO: make these events provide typed events to each handler (should be able to use TS types to do that).
   private static privateServerEventHandlers: Partial<RealtimeServerEventTypeToHandlerMap> =
     {
       error: (_, event) => {
diff --git a/packages/browser/src/openai/openapi.ts b/packages/browser/src/openai/openapi.ts
index a54006d..8836a63 100644
--- a/packages/browser/src/openai/openapi.ts
+++ b/packages/browser/src/openai/openapi.ts
@@ -1507,9 +1507,7 @@ export interface components {
                     vector_store_ids?: string[];
                 };
             } | null;
-            /** @description Set of 16 key-value pairs that can be attached to an object. This can be useful for storing additional information about the object in a structured format. Keys can be a maximum of 64 characters long and values can be a maximum of 512 characters long.
-             *      */
-            metadata: Record<string, never> | null;
+            metadata: components["schemas"]["Metadata"];
             /**
              * @description What sampling temperature to use, between 0 and 2. Higher values like 0.8 will make the output more random, while lower values like 0.2 will make it more focused and deterministic.
              *
@@ -1526,7 +1524,7 @@ export interface components {
              * @example 1
              */
             top_p: number;
-            response_format?: components["schemas"]["AssistantsApiResponseFormatOption"];
+            response_format?: components["schemas"]["AssistantsApiResponseFormatOption"] & unknown;
         };
         /** @description Represents an event emitted when streaming a Run.
          *
@@ -1549,6 +1547,8 @@ export interface components {
          *     integrate the Assistants API with streaming.
          *      */
         AssistantStreamEvent: components["schemas"]["ThreadStreamEvent"] | components["schemas"]["RunStreamEvent"] | components["schemas"]["RunStepStreamEvent"] | components["schemas"]["MessageStreamEvent"] | components["schemas"]["ErrorEvent"] | components["schemas"]["DoneEvent"];
+        /** @enum {string} */
+        AssistantSupportedModels: "o3-mini" | "o3-mini-2025-01-31" | "o1" | "o1-2024-12-17" | "gpt-4o" | "gpt-4o-2024-11-20" | "gpt-4o-2024-08-06" | "gpt-4o-2024-05-13" | "gpt-4o-mini" | "gpt-4o-mini-2024-07-18" | "gpt-4-turbo" | "gpt-4-turbo-2024-04-09" | "gpt-4-0125-preview" | "gpt-4-turbo-preview" | "gpt-4-1106-preview" | "gpt-4-vision-preview" | "gpt-4" | "gpt-4-0314" | "gpt-4-0613" | "gpt-4-32k" | "gpt-4-32k-0314" | "gpt-4-32k-0613" | "gpt-3.5-turbo" | "gpt-3.5-turbo-16k" | "gpt-3.5-turbo-0613" | "gpt-3.5-turbo-1106" | "gpt-3.5-turbo-0125" | "gpt-3.5-turbo-16k-0613";
         /** Code interpreter tool */
         AssistantToolsCode: {
             /**
@@ -1944,9 +1944,7 @@ export interface components {
                 /** @description Number of requests that have failed. */
                 failed: number;
             };
-            /** @description Set of 16 key-value pairs that can be attached to an object. This can be useful for storing additional information about the object in a structured format. Keys can be a maximum of 64 characters long and values can be a maximum of 512 characters long.
-             *      */
-            metadata?: Record<string, never> | null;
+            metadata?: components["schemas"]["Metadata"];
         };
         /** @description The per-line object of the batch input file */
         BatchRequestInput: {
@@ -2294,7 +2292,7 @@ export interface components {
          * @description The role of the author of a message
          * @enum {string}
          */
-        ChatCompletionRole: "system" | "user" | "assistant" | "tool" | "function";
+        ChatCompletionRole: "developer" | "system" | "user" | "assistant" | "tool" | "function";
         /**
          * @description Options for streaming response. Only set this when you set `stream: true`.
          *
@@ -2324,7 +2322,7 @@ export interface components {
              * @description The role of the author of this message.
              * @enum {string}
              */
-            role?: "system" | "user" | "assistant" | "tool";
+            role?: "developer" | "system" | "user" | "assistant" | "tool";
             /** @description The refusal message generated by the model. */
             refusal?: string | null;
         };
@@ -2374,36 +2372,63 @@ export interface components {
         };
         /** @description Usage statistics for the completion request. */
         CompletionUsage: {
-            /** @description Number of tokens in the generated completion. */
+            /**
+             * @description Number of tokens in the generated completion.
+             * @default 0
+             */
             completion_tokens: number;
-            /** @description Number of tokens in the prompt. */
+            /**
+             * @description Number of tokens in the prompt.
+             * @default 0
+             */
             prompt_tokens: number;
-            /** @description Total number of tokens used in the request (prompt + completion). */
+            /**
+             * @description Total number of tokens used in the request (prompt + completion).
+             * @default 0
+             */
             total_tokens: number;
             /** @description Breakdown of tokens used in a completion. */
             completion_tokens_details?: {
-                /** @description When using Predicted Outputs, the number of tokens in the
+                /**
+                 * @description When using Predicted Outputs, the number of tokens in the
                  *     prediction that appeared in the completion.
-                 *      */
-                accepted_prediction_tokens?: number;
-                /** @description Audio input tokens generated by the model. */
-                audio_tokens?: number;
-                /** @description Tokens generated by the model for reasoning. */
-                reasoning_tokens?: number;
-                /** @description When using Predicted Outputs, the number of tokens in the
+                 *
+                 * @default 0
+                 */
+                accepted_prediction_tokens: number;
+                /**
+                 * @description Audio input tokens generated by the model.
+                 * @default 0
+                 */
+                audio_tokens: number;
+                /**
+                 * @description Tokens generated by the model for reasoning.
+                 * @default 0
+                 */
+                reasoning_tokens: number;
+                /**
+                 * @description When using Predicted Outputs, the number of tokens in the
                  *     prediction that did not appear in the completion. However, like
                  *     reasoning tokens, these tokens are still counted in the total
                  *     completion tokens for purposes of billing, output, and context window
                  *     limits.
-                 *      */
-                rejected_prediction_tokens?: number;
+                 *
+                 * @default 0
+                 */
+                rejected_prediction_tokens: number;
             };
             /** @description Breakdown of tokens used in the prompt. */
             prompt_tokens_details?: {
-                /** @description Audio input tokens present in the prompt. */
-                audio_tokens?: number;
-                /** @description Cached tokens present in the prompt. */
-                cached_tokens?: number;
+                /**
+                 * @description Audio input tokens present in the prompt.
+                 * @default 0
+                 */
+                audio_tokens: number;
+                /**
+                 * @description Cached tokens present in the prompt.
+                 * @default 0
+                 */
+                cached_tokens: number;
             };
         };
         /** @description The aggregated costs details of the specific time bucket. */
@@ -2428,7 +2453,7 @@ export interface components {
              *
              * @example gpt-4o
              */
-            model: string | ("gpt-4o" | "gpt-4o-2024-11-20" | "gpt-4o-2024-08-06" | "gpt-4o-2024-05-13" | "gpt-4o-mini" | "gpt-4o-mini-2024-07-18" | "gpt-4-turbo" | "gpt-4-turbo-2024-04-09" | "gpt-4-0125-preview" | "gpt-4-turbo-preview" | "gpt-4-1106-preview" | "gpt-4-vision-preview" | "gpt-4" | "gpt-4-0314" | "gpt-4-0613" | "gpt-4-32k" | "gpt-4-32k-0314" | "gpt-4-32k-0613" | "gpt-3.5-turbo" | "gpt-3.5-turbo-16k" | "gpt-3.5-turbo-0613" | "gpt-3.5-turbo-1106" | "gpt-3.5-turbo-0125" | "gpt-3.5-turbo-16k-0613");
+            model: string | components["schemas"]["AssistantSupportedModels"];
             /** @description The name of the assistant. The maximum length is 256 characters.
              *      */
             name?: string | null;
@@ -2438,6 +2463,7 @@ export interface components {
             /** @description The system instructions that the assistant uses. The maximum length is 256,000 characters.
              *      */
             instructions?: string | null;
+            reasoning_effort?: components["schemas"]["ReasoningEffort"];
             /**
              * @description A list of tool enabled on the assistant. There can be a maximum of 128 tools per assistant. Tools can be of types `code_interpreter`, `file_search`, or `function`.
              *
@@ -2488,15 +2514,11 @@ export interface components {
                                 chunk_overlap_tokens: number;
                             };
                         };
-                        /** @description Set of 16 key-value pairs that can be attached to a vector store. This can be useful for storing additional information about the vector store in a structured format. Keys can be a maximum of 64 characters long and values can be a maximum of 512 characters long.
-                         *      */
-                        metadata?: Record<string, never>;
+                        metadata?: components["schemas"]["Metadata"];
                     }[];
                 } & (unknown | unknown);
             } | null;
-            /** @description Set of 16 key-value pairs that can be attached to an object. This can be useful for storing additional information about the object in a structured format. Keys can be a maximum of 64 characters long and values can be a maximum of 512 characters long.
-             *      */
-            metadata?: Record<string, never> | null;
+            metadata?: components["schemas"]["Metadata"];
             /**
              * @description What sampling temperature to use, between 0 and 2. Higher values like 0.8 will make the output more random, while lower values like 0.2 will make it more focused and deterministic.
              *
@@ -2513,7 +2535,7 @@ export interface components {
              * @example 1
              */
             top_p: number;
-            response_format?: components["schemas"]["AssistantsApiResponseFormatOption"];
+            response_format?: components["schemas"]["AssistantsApiResponseFormatOption"] & unknown;
         };
         /** @description Represents a chat completion response returned by model, based on the provided input. */
         CreateChatCompletionFunctionResponse: {
@@ -2560,7 +2582,7 @@ export interface components {
              * @description ID of the model to use. See the [model endpoint compatibility](/docs/models#model-endpoint-compatibility) table for details on which models work with the Chat API.
              * @example gpt-4o
              */
-            model: string | ("o1" | "o1-2024-12-17" | "o1-preview" | "o1-preview-2024-09-12" | "o1-mini" | "o1-mini-2024-09-12" | "gpt-4o" | "gpt-4o-2024-11-20" | "gpt-4o-2024-08-06" | "gpt-4o-2024-05-13" | "gpt-4o-audio-preview" | "gpt-4o-audio-preview-2024-10-01" | "gpt-4o-audio-preview-2024-12-17" | "gpt-4o-mini-audio-preview" | "gpt-4o-mini-audio-preview-2024-12-17" | "chatgpt-4o-latest" | "gpt-4o-mini" | "gpt-4o-mini-2024-07-18" | "gpt-4-turbo" | "gpt-4-turbo-2024-04-09" | "gpt-4-0125-preview" | "gpt-4-turbo-preview" | "gpt-4-1106-preview" | "gpt-4-vision-preview" | "gpt-4" | "gpt-4-0314" | "gpt-4-0613" | "gpt-4-32k" | "gpt-4-32k-0314" | "gpt-4-32k-0613" | "gpt-3.5-turbo" | "gpt-3.5-turbo-16k" | "gpt-3.5-turbo-0301" | "gpt-3.5-turbo-0613" | "gpt-3.5-turbo-1106" | "gpt-3.5-turbo-0125" | "gpt-3.5-turbo-16k-0613");
+            model: string | ("o3-mini" | "o3-mini-2025-01-31" | "o1" | "o1-2024-12-17" | "o1-preview" | "o1-preview-2024-09-12" | "o1-mini" | "o1-mini-2024-09-12" | "gpt-4o" | "gpt-4o-2024-11-20" | "gpt-4o-2024-08-06" | "gpt-4o-2024-05-13" | "gpt-4o-audio-preview" | "gpt-4o-audio-preview-2024-10-01" | "gpt-4o-audio-preview-2024-12-17" | "gpt-4o-mini-audio-preview" | "gpt-4o-mini-audio-preview-2024-12-17" | "chatgpt-4o-latest" | "gpt-4o-mini" | "gpt-4o-mini-2024-07-18" | "gpt-4-turbo" | "gpt-4-turbo-2024-04-09" | "gpt-4-0125-preview" | "gpt-4-turbo-preview" | "gpt-4-1106-preview" | "gpt-4-vision-preview" | "gpt-4" | "gpt-4-0314" | "gpt-4-0613" | "gpt-4-32k" | "gpt-4-32k-0314" | "gpt-4-32k-0613" | "gpt-3.5-turbo" | "gpt-3.5-turbo-16k" | "gpt-3.5-turbo-0301" | "gpt-3.5-turbo-0613" | "gpt-3.5-turbo-1106" | "gpt-3.5-turbo-0125" | "gpt-3.5-turbo-16k-0613");
             /**
              * @description Whether or not to store the output of this chat completion request for
              *     use in our [model distillation](/docs/guides/distillation) or
@@ -2569,25 +2591,8 @@ export interface components {
              * @default false
              */
             store: boolean | null;
-            /**
-             * @description **o1 models only**
-             *
-             *     Constrains effort on reasoning for
-             *     [reasoning models](https://platform.openai.com/docs/guides/reasoning).
-             *     Currently supported values are `low`, `medium`, and `high`. Reducing
-             *     reasoning effort can result in faster responses and fewer tokens used
-             *     on reasoning in a response.
-             *
-             * @default medium
-             * @enum {string}
-             */
-            reasoning_effort: "low" | "medium" | "high";
-            /** @description Developer-defined tags and values used for filtering completions
-             *     in the [dashboard](https://platform.openai.com/chat-completions).
-             *      */
-            metadata?: {
-                [key: string]: string;
-            } | null;
+            reasoning_effort?: components["schemas"]["ReasoningEffort"];
+            metadata?: components["schemas"]["Metadata"];
             /**
              * @description Number between -2.0 and 2.0. Positive values penalize new tokens based on
              *     their existing frequency in the text so far, decreasing the model's
@@ -2696,20 +2701,21 @@ export interface components {
              *     `max_tokens` or the conversation exceeded the max context length.
              *      */
             response_format?: components["schemas"]["ResponseFormatText"] | components["schemas"]["ResponseFormatJsonObject"] | components["schemas"]["ResponseFormatJsonSchema"];
-            /** @description This feature is in Beta.
+            /**
+             * Format: int64
+             * @description This feature is in Beta.
              *     If specified, our system will make a best effort to sample deterministically, such that repeated requests with the same `seed` and parameters should return the same result.
              *     Determinism is not guaranteed, and you should refer to the `system_fingerprint` response parameter to monitor changes in the backend.
-             *      */
+             *
+             */
             seed?: number | null;
             /**
              * @description Specifies the latency tier to use for processing the request. This parameter is relevant for customers subscribed to the scale tier service:
              *       - If set to 'auto', and the Project is Scale tier enabled, the system will utilize scale tier credits until they are exhausted.
-             *       - If set to 'auto', and the Project is not Scale tier enabled, the request will be processed using the default service tier with a lower uptime SLA and no latency guarentee.
-             *       - If set to 'default', the request will be processed using the default service tier with a lower uptime SLA and no latency guarentee.
+             *       - If set to 'auto', and the Project is not Scale tier enabled, the request will be processed using the default service tier with a lower uptime SLA and no latency guarantee.
+             *       - If set to 'default', the request will be processed using the default service tier with a lower uptime SLA and no latency guarantee.
              *       - When not set, the default behavior is 'auto'.
              *
-             *       When this parameter is set, the response body will include the `service_tier` utilized.
-             *
              * @default auto
              * @enum {string|null}
              */
@@ -2818,7 +2824,7 @@ export interface components {
             /** @description The model used for the chat completion. */
             model: string;
             /**
-             * @description The service tier used for processing the request. This field is only included if the `service_tier` parameter is specified in the request.
+             * @description The service tier used for processing the request.
              * @example scale
              * @enum {string|null}
              */
@@ -2868,7 +2874,7 @@ export interface components {
             /** @description The model to generate the completion. */
             model: string;
             /**
-             * @description The service tier used for processing the request. This field is only included if the `service_tier` parameter is specified in the request.
+             * @description The service tier used for processing the request.
              * @example scale
              * @enum {string|null}
              */
@@ -2976,10 +2982,13 @@ export interface components {
              * @default 0
              */
             presence_penalty: number | null;
-            /** @description If specified, our system will make a best effort to sample deterministically, such that repeated requests with the same `seed` and parameters should return the same result.
+            /**
+             * Format: int64
+             * @description If specified, our system will make a best effort to sample deterministically, such that repeated requests with the same `seed` and parameters should return the same result.
              *
              *     Determinism is not guaranteed, and you should refer to the `system_fingerprint` response parameter to monitor changes in the backend.
-             *      */
+             *
+             */
             seed?: number | null;
             /**
              * @description Up to 4 sequences where the API will stop generating further tokens. The returned text will not contain the stop sequence.
@@ -3072,7 +3081,7 @@ export interface components {
         };
         CreateEmbeddingRequest: {
             /**
-             * @description Input text to embed, encoded as a string or array of tokens. To embed multiple inputs in a single request, pass an array of strings or array of token arrays. The input must not exceed the max input tokens for the model (8192 tokens for `text-embedding-ada-002`), cannot be an empty string, and any array must be 2048 dimensions or less. [Example Python code](https://cookbook.openai.com/examples/how_to_count_tokens_with_tiktoken) for counting tokens.
+             * @description Input text to embed, encoded as a string or array of tokens. To embed multiple inputs in a single request, pass an array of strings or array of token arrays. The input must not exceed the max input tokens for the model (8192 tokens for `text-embedding-ada-002`), cannot be an empty string, and any array must be 2048 dimensions or less. [Example Python code](https://cookbook.openai.com/examples/how_to_count_tokens_with_tiktoken) for counting tokens. Some models may also impose a limit on total number of tokens summed across inputs.
              *
              * @example The quick brown fox jumped over the lazy dog
              */
@@ -3404,9 +3413,7 @@ export interface components {
                 /** @description The tools to add this file to. */
                 tools?: (components["schemas"]["AssistantToolsCode"] | components["schemas"]["AssistantToolsFileSearchTypeOnly"])[];
             }[] | null;
-            /** @description Set of 16 key-value pairs that can be attached to an object. This can be useful for storing additional information about the object in a structured format. Keys can be a maximum of 64 characters long and values can be a maximum of 512 characters long.
-             *      */
-            metadata?: Record<string, never> | null;
+            metadata?: components["schemas"]["Metadata"];
         };
         CreateModerationRequest: {
             /** @description Input (or inputs) to classify. Can be a single string, an array of strings, or
@@ -3470,9 +3477,9 @@ export interface components {
                     /** @description Harassment content that also includes violence or serious harm towards any target. */
                     "harassment/threatening": boolean;
                     /** @description Content that includes instructions or advice that facilitate the planning or execution of wrongdoing, or that gives advice or instruction on how to commit illicit acts. For example, "how to shoplift" would fit this category. */
-                    illicit: boolean;
+                    illicit: boolean | null;
                     /** @description Content that includes instructions or advice that facilitate the planning or execution of wrongdoing that also includes violence, or that gives advice or instruction on the procurement of any weapon. */
-                    "illicit/violent": boolean;
+                    "illicit/violent": boolean | null;
                     /** @description Content that promotes, encourages, or depicts acts of self-harm, such as suicide, cutting, and eating disorders. */
                     "self-harm": boolean;
                     /** @description Content where the speaker expresses that they are engaging or intend to engage in acts of self-harm, such as suicide, cutting, and eating disorders. */
@@ -3555,7 +3562,8 @@ export interface components {
              * @description The ID of the [Model](/docs/api-reference/models) to be used to execute this run. If a value is provided here, it will override the model associated with the assistant. If not, the model associated with the assistant will be used.
              * @example gpt-4o
              */
-            model?: (string | ("gpt-4o" | "gpt-4o-2024-11-20" | "gpt-4o-2024-08-06" | "gpt-4o-2024-05-13" | "gpt-4o-mini" | "gpt-4o-mini-2024-07-18" | "gpt-4-turbo" | "gpt-4-turbo-2024-04-09" | "gpt-4-0125-preview" | "gpt-4-turbo-preview" | "gpt-4-1106-preview" | "gpt-4-vision-preview" | "gpt-4" | "gpt-4-0314" | "gpt-4-0613" | "gpt-4-32k" | "gpt-4-32k-0314" | "gpt-4-32k-0613" | "gpt-3.5-turbo" | "gpt-3.5-turbo-16k" | "gpt-3.5-turbo-0613" | "gpt-3.5-turbo-1106" | "gpt-3.5-turbo-0125" | "gpt-3.5-turbo-16k-0613")) | null;
+            model?: (string | components["schemas"]["AssistantSupportedModels"]) | null;
+            reasoning_effort?: components["schemas"]["ReasoningEffort"];
             /** @description Overrides the [instructions](/docs/api-reference/assistants/createAssistant) of the assistant. This is useful for modifying the behavior on a per-run basis. */
             instructions?: string | null;
             /** @description Appends additional instructions at the end of the instructions for the run. This is useful for modifying the behavior on a per-run basis without overriding other instructions. */
@@ -3564,9 +3572,7 @@ export interface components {
             additional_messages?: components["schemas"]["CreateMessageRequest"][] | null;
             /** @description Override the tools the assistant can use for this run. This is useful for modifying the behavior on a per-run basis. */
             tools?: (components["schemas"]["AssistantToolsCode"] | components["schemas"]["AssistantToolsFileSearch"] | components["schemas"]["AssistantToolsFunction"])[] | null;
-            /** @description Set of 16 key-value pairs that can be attached to an object. This can be useful for storing additional information about the object in a structured format. Keys can be a maximum of 64 characters long and values can be a maximum of 512 characters long.
-             *      */
-            metadata?: Record<string, never> | null;
+            metadata?: components["schemas"]["Metadata"];
             /**
              * @description What sampling temperature to use, between 0 and 2. Higher values like 0.8 will make the output more random, while lower values like 0.2 will make it more focused and deterministic.
              *
@@ -3592,10 +3598,10 @@ export interface components {
             /** @description The maximum number of completion tokens that may be used over the course of the run. The run will make a best effort to use only the number of completion tokens specified, across multiple turns of the run. If the run exceeds the number of completion tokens specified, the run will end with status `incomplete`. See `incomplete_details` for more info.
              *      */
             max_completion_tokens?: number | null;
-            truncation_strategy?: components["schemas"]["TruncationObject"];
-            tool_choice?: components["schemas"]["AssistantsApiToolChoiceOption"];
+            truncation_strategy?: components["schemas"]["TruncationObject"] & unknown;
+            tool_choice?: components["schemas"]["AssistantsApiToolChoiceOption"] & unknown;
             parallel_tool_calls?: components["schemas"]["ParallelToolCalls"];
-            response_format?: components["schemas"]["AssistantsApiResponseFormatOption"];
+            response_format?: components["schemas"]["AssistantsApiResponseFormatOption"] & unknown;
         };
         CreateSpeechRequest: {
             /** @description One of the available [TTS models](/docs/models#tts): `tts-1` or `tts-1-hd`
@@ -3604,10 +3610,10 @@ export interface components {
             /** @description The text to generate audio for. The maximum length is 4096 characters. */
             input: string;
             /**
-             * @description The voice to use when generating the audio. Supported voices are `alloy`, `echo`, `fable`, `onyx`, `nova`, and `shimmer`. Previews of the voices are available in the [Text to speech guide](/docs/guides/text-to-speech#voice-options).
+             * @description The voice to use when generating the audio. Supported voices are `alloy`, `ash`, `coral`, `echo`, `fable`, `onyx`, `nova`, `sage` and `shimmer`. Previews of the voices are available in the [Text to speech guide](/docs/guides/text-to-speech#voice-options).
              * @enum {string}
              */
-            voice: "alloy" | "echo" | "fable" | "onyx" | "nova" | "shimmer";
+            voice: "alloy" | "ash" | "coral" | "echo" | "fable" | "onyx" | "nova" | "sage" | "shimmer";
             /**
              * @description The format to audio in. Supported formats are `mp3`, `opus`, `aac`, `flac`, `wav`, and `pcm`.
              * @default mp3
@@ -3623,7 +3629,6 @@ export interface components {
         CreateThreadAndRunRequest: {
             /** @description The ID of the [assistant](/docs/api-reference/assistants) to use to execute this run. */
             assistant_id: string;
-            /** @description If no thread is provided, an empty thread will be created. */
             thread?: components["schemas"]["CreateThreadRequest"];
             /**
              * @description The ID of the [Model](/docs/api-reference/models) to be used to execute this run. If a value is provided here, it will override the model associated with the assistant. If not, the model associated with the assistant will be used.
@@ -3651,9 +3656,7 @@ export interface components {
                     vector_store_ids?: string[];
                 };
             } | null;
-            /** @description Set of 16 key-value pairs that can be attached to an object. This can be useful for storing additional information about the object in a structured format. Keys can be a maximum of 64 characters long and values can be a maximum of 512 characters long.
-             *      */
-            metadata?: Record<string, never> | null;
+            metadata?: components["schemas"]["Metadata"];
             /**
              * @description What sampling temperature to use, between 0 and 2. Higher values like 0.8 will make the output more random, while lower values like 0.2 will make it more focused and deterministic.
              *
@@ -3679,11 +3682,14 @@ export interface components {
             /** @description The maximum number of completion tokens that may be used over the course of the run. The run will make a best effort to use only the number of completion tokens specified, across multiple turns of the run. If the run exceeds the number of completion tokens specified, the run will end with status `incomplete`. See `incomplete_details` for more info.
              *      */
             max_completion_tokens?: number | null;
-            truncation_strategy?: components["schemas"]["TruncationObject"];
-            tool_choice?: components["schemas"]["AssistantsApiToolChoiceOption"];
+            truncation_strategy?: components["schemas"]["TruncationObject"] & unknown;
+            tool_choice?: components["schemas"]["AssistantsApiToolChoiceOption"] & unknown;
             parallel_tool_calls?: components["schemas"]["ParallelToolCalls"];
-            response_format?: components["schemas"]["AssistantsApiResponseFormatOption"];
+            response_format?: components["schemas"]["AssistantsApiResponseFormatOption"] & unknown;
         };
+        /** @description Options to create a new thread. If no thread is provided when running a
+         *     request, an empty thread will be created.
+         *      */
         CreateThreadRequest: {
             /** @description A list of [messages](/docs/api-reference/messages) to start the thread with. */
             messages?: components["schemas"]["CreateMessageRequest"][];
@@ -3731,15 +3737,11 @@ export interface components {
                                 chunk_overlap_tokens: number;
                             };
                         };
-                        /** @description Set of 16 key-value pairs that can be attached to a vector store. This can be useful for storing additional information about the vector store in a structured format. Keys can be a maximum of 64 characters long and values can be a maximum of 512 characters long.
-                         *      */
-                        metadata?: Record<string, never>;
+                        metadata?: components["schemas"]["Metadata"];
                     }[];
                 } & (unknown | unknown);
             } | null;
-            /** @description Set of 16 key-value pairs that can be attached to an object. This can be useful for storing additional information about the object in a structured format. Keys can be a maximum of 64 characters long and values can be a maximum of 512 characters long.
-             *      */
-            metadata?: Record<string, never> | null;
+            metadata?: components["schemas"]["Metadata"];
         };
         CreateTranscriptionRequest: {
             /**
@@ -3754,7 +3756,7 @@ export interface components {
              * @example whisper-1
              */
             model: string | "whisper-1";
-            /** @description The language of the input audio. Supplying the input language in [ISO-639-1](https://en.wikipedia.org/wiki/List_of_ISO_639-1_codes) format will improve accuracy and latency.
+            /** @description The language of the input audio. Supplying the input language in [ISO-639-1](https://en.wikipedia.org/wiki/List_of_ISO_639-1_codes) (e.g. `en`) format will improve accuracy and latency.
              *      */
             language?: string;
             /** @description An optional text to guide the model's style or continue a previous audio segment. The [prompt](/docs/guides/speech-to-text#prompting) should match the audio language.
@@ -3786,7 +3788,7 @@ export interface components {
             /** @description The language of the input audio. */
             language: string;
             /** @description The duration of the input audio. */
-            duration: string;
+            duration: number;
             /** @description The transcribed text. */
             text: string;
             /** @description Extracted words and their corresponding timestamps. */
@@ -3825,7 +3827,7 @@ export interface components {
             /** @description The language of the output translation (always `english`). */
             language: string;
             /** @description The duration of the input audio. */
-            duration: string;
+            duration: number;
             /** @description The translated text. */
             text: string;
             /** @description Segments of the translated text and their corresponding details. */
@@ -3870,9 +3872,7 @@ export interface components {
             expires_after?: components["schemas"]["VectorStoreExpirationAfter"];
             /** @description The chunking strategy used to chunk the file(s). If not set, will use the `auto` strategy. Only applicable if `file_ids` is non-empty. */
             chunking_strategy?: components["schemas"]["AutoChunkingStrategyRequestParam"] | components["schemas"]["StaticChunkingStrategyRequestParam"];
-            /** @description Set of 16 key-value pairs that can be attached to an object. This can be useful for storing additional information about the object in a structured format. Keys can be a maximum of 64 characters long and values can be a maximum of 512 characters long.
-             *      */
-            metadata?: Record<string, never> | null;
+            metadata?: components["schemas"]["Metadata"];
         };
         DefaultProjectErrorResponse: {
             code: number;
@@ -4405,6 +4405,7 @@ export interface components {
             data: components["schemas"]["FineTuningJobEvent"][];
             /** @enum {string} */
             object: "list";
+            has_more: boolean;
         };
         ListMessagesResponse: {
             /** @example list */
@@ -4791,9 +4792,7 @@ export interface components {
                 /** @description The tools to add this file to. */
                 tools?: (components["schemas"]["AssistantToolsCode"] | components["schemas"]["AssistantToolsFileSearchTypeOnly"])[];
             }[] | null;
-            /** @description Set of 16 key-value pairs that can be attached to an object. This can be useful for storing additional information about the object in a structured format. Keys can be a maximum of 64 characters long and values can be a maximum of 512 characters long.
-             *      */
-            metadata: Record<string, never> | null;
+            metadata: components["schemas"]["Metadata"];
         };
         /**
          * Text
@@ -4829,6 +4828,16 @@ export interface components {
             event: "thread.message.incomplete";
             data: components["schemas"]["MessageObject"];
         };
+        /** @description Set of 16 key-value pairs that can be attached to an object. This can be
+         *     useful for storing additional information about the object in a structured
+         *     format, and querying for objects via API or the dashboard.
+         *
+         *     Keys are strings with a maximum length of 64 characters. Values are strings
+         *     with a maximum length of 512 characters.
+         *      */
+        Metadata: {
+            [key: string]: string;
+        } | null;
         /**
          * Model
          * @description Describes an OpenAI model offering that can be used with the API.
@@ -4849,7 +4858,8 @@ export interface components {
         ModifyAssistantRequest: {
             /** @description ID of the model to use. You can use the [List models](/docs/api-reference/models/list) API to see all of your available models, or see our [Model overview](/docs/models) for descriptions of them.
              *      */
-            model?: string;
+            model?: string | components["schemas"]["AssistantSupportedModels"];
+            reasoning_effort?: components["schemas"]["ReasoningEffort"];
             /** @description The name of the assistant. The maximum length is 256 characters.
              *      */
             name?: string | null;
@@ -4882,9 +4892,7 @@ export interface components {
                     vector_store_ids?: string[];
                 };
             } | null;
-            /** @description Set of 16 key-value pairs that can be attached to an object. This can be useful for storing additional information about the object in a structured format. Keys can be a maximum of 64 characters long and values can be a maximum of 512 characters long.
-             *      */
-            metadata?: Record<string, never> | null;
+            metadata?: components["schemas"]["Metadata"];
             /**
              * @description What sampling temperature to use, between 0 and 2. Higher values like 0.8 will make the output more random, while lower values like 0.2 will make it more focused and deterministic.
              *
@@ -4901,17 +4909,13 @@ export interface components {
              * @example 1
              */
             top_p: number;
-            response_format?: components["schemas"]["AssistantsApiResponseFormatOption"];
+            response_format?: components["schemas"]["AssistantsApiResponseFormatOption"] & unknown;
         };
         ModifyMessageRequest: {
-            /** @description Set of 16 key-value pairs that can be attached to an object. This can be useful for storing additional information about the object in a structured format. Keys can be a maximum of 64 characters long and values can be a maximum of 512 characters long.
-             *      */
-            metadata?: Record<string, never> | null;
+            metadata?: components["schemas"]["Metadata"];
         };
         ModifyRunRequest: {
-            /** @description Set of 16 key-value pairs that can be attached to an object. This can be useful for storing additional information about the object in a structured format. Keys can be a maximum of 64 characters long and values can be a maximum of 512 characters long.
-             *      */
-            metadata?: Record<string, never> | null;
+            metadata?: components["schemas"]["Metadata"];
         };
         ModifyThreadRequest: {
             /** @description A set of resources that are made available to the assistant's tools in this thread. The resources are specific to the type of tool. For example, the `code_interpreter` tool requires a list of file IDs, while the `file_search` tool requires a list of vector store IDs.
@@ -4931,9 +4935,7 @@ export interface components {
                     vector_store_ids?: string[];
                 };
             } | null;
-            /** @description Set of 16 key-value pairs that can be attached to an object. This can be useful for storing additional information about the object in a structured format. Keys can be a maximum of 64 characters long and values can be a maximum of 512 characters long.
-             *      */
-            metadata?: Record<string, never> | null;
+            metadata?: components["schemas"]["Metadata"];
         };
         /**
          * OpenAIFile
@@ -5257,8 +5259,9 @@ export interface components {
             type: "conversation.item.create";
             /** @description The ID of the preceding item after which the new item will be inserted.
              *     If not set, the new item will be appended to the end of the conversation.
-             *     If set, it allows an item to be inserted mid-conversation. If the ID
-             *     cannot be found, an error will be returned and the item will not be added.
+             *     If set to `root`, the new item will be added to the beginning of the conversation.
+             *     If set to an existing ID, it allows an item to be inserted mid-conversation. If the
+             *     ID cannot be found, an error will be returned and the item will not be added.
              *      */
             previous_item_id?: string;
             item: components["schemas"]["RealtimeConversationItem"];
@@ -5505,6 +5508,87 @@ export interface components {
              *      */
             output?: string;
         };
+        /** @description The item to add to the conversation. */
+        RealtimeConversationItemWithReference: {
+            /** @description For an item of type (`message` | `function_call` | `function_call_output`)
+             *     this field allows the client to assign the unique ID of the item. It is
+             *     not required because the server will generate one if not provided.
+             *
+             *     For an item of type `item_reference`, this field is required and is a
+             *     reference to any item that has previously existed in the conversation.
+             *      */
+            id?: string;
+            /**
+             * @description The type of the item (`message`, `function_call`, `function_call_output`, `item_reference`).
+             *
+             * @enum {string}
+             */
+            type?: "message" | "function_call" | "function_call_output";
+            /**
+             * @description Identifier for the API object being returned - always `realtime.item`.
+             *
+             * @enum {string}
+             */
+            object?: "realtime.item";
+            /**
+             * @description The status of the item (`completed`, `incomplete`). These have no effect
+             *     on the conversation, but are accepted for consistency with the
+             *     `conversation.item.created` event.
+             *
+             * @enum {string}
+             */
+            status?: "completed" | "incomplete";
+            /**
+             * @description The role of the message sender (`user`, `assistant`, `system`), only
+             *     applicable for `message` items.
+             *
+             * @enum {string}
+             */
+            role?: "user" | "assistant" | "system";
+            /** @description The content of the message, applicable for `message` items.
+             *     - Message items of role `system` support only `input_text` content
+             *     - Message items of role `user` support `input_text` and `input_audio`
+             *       content
+             *     - Message items of role `assistant` support `text` content.
+             *      */
+            content?: {
+                /**
+                 * @description The content type (`input_text`, `input_audio`, `item_reference`, `text`).
+                 *
+                 * @enum {string}
+                 */
+                type?: "input_audio" | "input_text" | "item_reference" | "text";
+                /** @description The text content, used for `input_text` and `text` content types.
+                 *      */
+                text?: string;
+                /** @description ID of a previous conversation item to reference (for `item_reference`
+                 *     content types in `response.create` events). These can reference both
+                 *     client and server created items.
+                 *      */
+                id?: string;
+                /** @description Base64-encoded audio bytes, used for `input_audio` content type.
+                 *      */
+                audio?: string;
+                /** @description The transcript of the audio, used for `input_audio` content type.
+                 *      */
+                transcript?: string;
+            }[];
+            /** @description The ID of the function call (for `function_call` and
+             *     `function_call_output` items). If passed on a `function_call_output`
+             *     item, the server will check that a `function_call` item with the same
+             *     ID exists in the conversation history.
+             *      */
+            call_id?: string;
+            /** @description The name of the function being called (for `function_call` items).
+             *      */
+            name?: string;
+            /** @description The arguments of the function call (for `function_call` items).
+             *      */
+            arguments?: string;
+            /** @description The output of the function call (for `function_call_output` items).
+             *      */
+            output?: string;
+        };
         /** @description The response resource. */
         RealtimeResponse: {
             /** @description The unique ID of the response. */
@@ -5553,9 +5637,7 @@ export interface components {
             };
             /** @description The list of output items generated by the response. */
             output?: components["schemas"]["RealtimeConversationItem"][];
-            /** @description Developer-provided string key-value pairs associated with this response.
-             *      */
-            metadata?: Record<string, never> | null;
+            metadata?: components["schemas"]["Metadata"];
             /** @description Usage statistics for the Response, this will correspond to billing. A
              *     Realtime API session will maintain a conversation context and append new
              *     Items to the Conversation, thus output from previous turns (text and
@@ -5591,6 +5673,41 @@ export interface components {
                     audio_tokens?: number;
                 };
             };
+            /** @description Which conversation the response is added to, determined by the `conversation`
+             *     field in the `response.create` event. If `auto`, the response will be added to
+             *     the default conversation and the value of `conversation_id` will be an id like
+             *     `conv_1234`. If `none`, the response will not be added to any conversation and
+             *     the value of `conversation_id` will be `null`. If responses are being triggered
+             *     by server VAD, the response will be added to the default conversation, thus
+             *     the `conversation_id` will be an id like `conv_1234`.
+             *      */
+            conversation_id?: string;
+            /**
+             * @description The voice the model used to respond.
+             *     Current voice options are `alloy`, `ash`, `ballad`, `coral`, `echo` `sage`,
+             *     `shimmer` and `verse`.
+             *
+             * @enum {string}
+             */
+            voice?: "alloy" | "ash" | "ballad" | "coral" | "echo" | "sage" | "shimmer" | "verse";
+            /** @description The set of modalities the model used to respond. If there are multiple modalities,
+             *     the model will pick one, for example if `modalities` is `["text", "audio"]`, the model
+             *     could be responding in either text or audio.
+             *      */
+            modalities?: ("text" | "audio")[];
+            /**
+             * @description The format of output audio. Options are `pcm16`, `g711_ulaw`, or `g711_alaw`.
+             *
+             * @enum {string}
+             */
+            output_audio_format?: "pcm16" | "g711_ulaw" | "g711_alaw";
+            /** @description Sampling temperature for the model, limited to [0.6, 1.2]. Defaults to 0.8.
+             *      */
+            temperature?: number;
+            /** @description Maximum number of output tokens for a single assistant response,
+             *     inclusive of tool calls, that was used in this response.
+             *      */
+            max_output_tokens?: number | "inf";
         };
         /** @description Create a new Realtime response with these parameters */
         RealtimeResponseCreateParams: {
@@ -5664,17 +5781,13 @@ export interface components {
              *     will not add items to default conversation.
              *      */
             conversation?: string | ("auto" | "none");
-            /** @description Set of 16 key-value pairs that can be attached to an object. This can be
-             *     useful for storing additional information about the object in a structured
-             *     format. Keys can be a maximum of 64 characters long and values can be a
-             *     maximum of 512 characters long.
-             *      */
-            metadata?: Record<string, never> | null;
-            /** @description Input items to include in the prompt for the model. Creates a new context
-             *     for this response, without including the default conversation. Can include
-             *     references to items from the default conversation.
+            metadata?: components["schemas"]["Metadata"];
+            /** @description Input items to include in the prompt for the model. Using this field
+             *     creates a new context for this Response instead of using the default
+             *     conversation. An empty array `[]` will clear the context for this Response.
+             *     Note that this can include references to items from the default conversation.
              *      */
-            input?: components["schemas"]["RealtimeConversationItem"][];
+            input?: components["schemas"]["RealtimeConversationItemWithReference"][];
         };
         /** @description Returned when a conversation is created. Emitted right after session creation.
          *      */
@@ -6314,12 +6427,15 @@ export interface components {
             voice?: "alloy" | "ash" | "ballad" | "coral" | "echo" | "sage" | "shimmer" | "verse";
             /**
              * @description The format of input audio. Options are `pcm16`, `g711_ulaw`, or `g711_alaw`.
+             *     For `pcm16`, input audio must be 16-bit PCM at a 24kHz sample rate,
+             *     single channel (mono), and little-endian byte order.
              *
              * @enum {string}
              */
             input_audio_format?: "pcm16" | "g711_ulaw" | "g711_alaw";
             /**
              * @description The format of output audio. Options are `pcm16`, `g711_ulaw`, or `g711_alaw`.
+             *     For `pcm16`, output audio is sampled at a rate of 24kHz.
              *
              * @enum {string}
              */
@@ -6404,7 +6520,7 @@ export interface components {
              *
              * @enum {string}
              */
-            model: "gpt-4o-realtime-preview" | "gpt-4o-realtime-preview-2024-10-01" | "gpt-4o-realtime-preview-2024-12-17" | "gpt-4o-mini-realtime-preview" | "gpt-4o-mini-realtime-preview-2024-12-17";
+            model?: "gpt-4o-realtime-preview" | "gpt-4o-realtime-preview-2024-10-01" | "gpt-4o-realtime-preview-2024-12-17" | "gpt-4o-mini-realtime-preview" | "gpt-4o-mini-realtime-preview-2024-12-17";
             /** @description The default system instructions (i.e. system message) prepended to model
              *     calls. This field allows the client to guide the model on desired
              *     responses. The model can be instructed on response content and format,
@@ -6430,27 +6546,36 @@ export interface components {
             voice?: "alloy" | "ash" | "ballad" | "coral" | "echo" | "sage" | "shimmer" | "verse";
             /**
              * @description The format of input audio. Options are `pcm16`, `g711_ulaw`, or `g711_alaw`.
+             *     For `pcm16`, input audio must be 16-bit PCM at a 24kHz sample rate,
+             *     single channel (mono), and little-endian byte order.
              *
              * @enum {string}
              */
             input_audio_format?: "pcm16" | "g711_ulaw" | "g711_alaw";
             /**
              * @description The format of output audio. Options are `pcm16`, `g711_ulaw`, or `g711_alaw`.
+             *     For `pcm16`, output audio is sampled at a rate of 24kHz.
              *
              * @enum {string}
              */
             output_audio_format?: "pcm16" | "g711_ulaw" | "g711_alaw";
-            /** @description Configuration for input audio transcription, defaults to off and can be
-             *     set to `null` to turn off once on. Input audio transcription is not native
-             *     to the model, since the model consumes audio directly. Transcription runs
-             *     asynchronously through Whisper and should be treated as rough guidance
-             *     rather than the representation understood by the model.
+            /** @description Configuration for input audio transcription, defaults to off and can be  set to `null` to turn off once on. Input audio transcription is not native to the model, since the model consumes audio directly. Transcription runs  asynchronously through [OpenAI Whisper transcription](https://platform.openai.com/docs/api-reference/audio/createTranscription) and should be treated as rough guidance rather than the representation understood by the model. The client can optionally set the language and prompt for transcription, these fields will be passed to the Whisper API.
              *      */
             input_audio_transcription?: {
                 /** @description The model to use for transcription, `whisper-1` is the only currently
                  *     supported model.
                  *      */
                 model?: string;
+                /** @description The language of the input audio. Supplying the input language in
+                 *     [ISO-639-1](https://en.wikipedia.org/wiki/List_of_ISO_639-1_codes) (e.g. `en`) format
+                 *     will improve accuracy and latency.
+                 *      */
+                language?: string;
+                /** @description An optional text to guide the model's style or continue a previous audio
+                 *     segment. The [prompt](/docs/guides/speech-to-text#prompting) should match
+                 *     the audio language.
+                 *      */
+                prompt?: string;
             };
             /** @description Configuration for turn detection. Can be set to `null` to turn off. Server
              *     VAD means that the model will detect the start and end of speech based on
@@ -6518,16 +6643,16 @@ export interface components {
          *      */
         RealtimeSessionCreateResponse: {
             /** @description Ephemeral key returned by the API. */
-            client_secret?: {
+            client_secret: {
                 /** @description Ephemeral key usable in client environments to authenticate connections
                  *     to the Realtime API. Use this in client-side environments rather than
                  *     a standard API token, which should only be used server-side.
                  *      */
-                value?: string;
+                value: string;
                 /** @description Timestamp for when the token expires. Currently, all tokens expire
                  *     after one minute.
                  *      */
-                expires_at?: number;
+                expires_at: number;
             };
             /** @description The set of modalities the model can respond with. To disable audio,
              *     set this to ["text"].
@@ -6628,6 +6753,19 @@ export interface components {
              *      */
             max_response_output_tokens?: number | "inf";
         };
+        /**
+         * @description **o1 and o3-mini models only**
+         *
+         *     Constrains effort on reasoning for
+         *     [reasoning models](https://platform.openai.com/docs/guides/reasoning).
+         *     Currently supported values are `low`, `medium`, and `high`. Reducing
+         *     reasoning effort can result in faster responses and fewer tokens used
+         *     on reasoning in a response.
+         *
+         * @default medium
+         * @enum {string|null}
+         */
+        ReasoningEffort: "low" | "medium" | "high";
         ResponseFormatJsonObject: {
             /**
              * @description The type of response format being defined: `json_object`
@@ -6747,9 +6885,7 @@ export interface components {
              * @default []
              */
             tools: (components["schemas"]["AssistantToolsCode"] | components["schemas"]["AssistantToolsFileSearch"] | components["schemas"]["AssistantToolsFunction"])[];
-            /** @description Set of 16 key-value pairs that can be attached to an object. This can be useful for storing additional information about the object in a structured format. Keys can be a maximum of 64 characters long and values can be a maximum of 512 characters long.
-             *      */
-            metadata: Record<string, never> | null;
+            metadata: components["schemas"]["Metadata"];
             usage: components["schemas"]["RunCompletionUsage"];
             /** @description The sampling temperature used for this run. If not set, defaults to 1. */
             temperature?: number | null;
@@ -6761,10 +6897,10 @@ export interface components {
             /** @description The maximum number of completion tokens specified to have been used over the course of the run.
              *      */
             max_completion_tokens: number | null;
-            truncation_strategy: components["schemas"]["TruncationObject"];
-            tool_choice: components["schemas"]["AssistantsApiToolChoiceOption"];
+            truncation_strategy: components["schemas"]["TruncationObject"] & unknown;
+            tool_choice: components["schemas"]["AssistantsApiToolChoiceOption"] & unknown;
             parallel_tool_calls: components["schemas"]["ParallelToolCalls"];
-            response_format: components["schemas"]["AssistantsApiResponseFormatOption"];
+            response_format: components["schemas"]["AssistantsApiResponseFormatOption"] & unknown;
         };
         /** @description Usage statistics related to the run step. This value will be `null` while the run step's status is `in_progress`. */
         RunStepCompletionUsage: {
@@ -7104,9 +7240,7 @@ export interface components {
             failed_at: number | null;
             /** @description The Unix timestamp (in seconds) for when the run step completed. */
             completed_at: number | null;
-            /** @description Set of 16 key-value pairs that can be attached to an object. This can be useful for storing additional information about the object in a structured format. Keys can be a maximum of 64 characters long and values can be a maximum of 512 characters long.
-             *      */
-            metadata: Record<string, never> | null;
+            metadata: components["schemas"]["Metadata"];
             usage: components["schemas"]["RunStepCompletionUsage"];
         };
         RunStepStreamEvent: {
@@ -7266,9 +7400,7 @@ export interface components {
                     vector_store_ids?: string[];
                 };
             } | null;
-            /** @description Set of 16 key-value pairs that can be attached to an object. This can be useful for storing additional information about the object in a structured format. Keys can be a maximum of 64 characters long and values can be a maximum of 512 characters long.
-             *      */
-            metadata: Record<string, never> | null;
+            metadata: components["schemas"]["Metadata"];
         };
         ThreadStreamEvent: {
             /** @description Whether to enable input audio transcription. */
@@ -7347,10 +7479,8 @@ export interface components {
         UpdateVectorStoreRequest: {
             /** @description The name of the vector store. */
             name?: string | null;
-            expires_after?: components["schemas"]["VectorStoreExpirationAfter"];
-            /** @description Set of 16 key-value pairs that can be attached to an object. This can be useful for storing additional information about the object in a structured format. Keys can be a maximum of 64 characters long and values can be a maximum of 512 characters long.
-             *      */
-            metadata?: Record<string, never> | null;
+            expires_after?: components["schemas"]["VectorStoreExpirationAfter"] & unknown;
+            metadata?: components["schemas"]["Metadata"];
         };
         /**
          * Upload
@@ -7380,8 +7510,7 @@ export interface components {
              * @enum {string}
              */
             object?: "upload";
-            /** @description The ready File object after the Upload is completed. */
-            file?: components["schemas"]["OpenAIFile"];
+            file?: components["schemas"]["OpenAIFile"] & unknown;
         };
         /**
          * UploadPart
@@ -7440,7 +7569,7 @@ export interface components {
             /** @enum {string} */
             object: "organization.usage.code_interpreter_sessions.result";
             /** @description The number of code interpreter sessions. */
-            sessions: number;
+            num_sessions?: number;
             /** @description When `group_by=project_id`, this field provides the project ID of the grouped usage result. */
             project_id?: string | null;
         };
@@ -7714,9 +7843,7 @@ export interface components {
             expires_at?: number | null;
             /** @description The Unix timestamp (in seconds) for when the vector store was last active. */
             last_active_at: number | null;
-            /** @description Set of 16 key-value pairs that can be attached to an object. This can be useful for storing additional information about the object in a structured format. Keys can be a maximum of 64 characters long and values can be a maximum of 512 characters long.
-             *      */
-            metadata: Record<string, never> | null;
+            metadata: components["schemas"]["Metadata"];
         };
     };
     responses: never;
@@ -7985,10 +8112,7 @@ export interface operations {
                      * @enum {string}
                      */
                     completion_window: "24h";
-                    /** @description Optional custom metadata for the batch. */
-                    metadata?: {
-                        [key: string]: string;
-                    } | null;
+                    metadata?: components["schemas"]["Metadata"];
                 };
             };
         };
@@ -8070,6 +8194,7 @@ export interface operations {
                 };
                 content: {
                     "application/json": components["schemas"]["CreateChatCompletionResponse"];
+                    "text/event-stream": components["schemas"]["CreateChatCompletionStreamResponse"];
                 };
             };
         };
@@ -9813,6 +9938,8 @@ export interface operations {
                 /** @description A cursor for use in pagination. `after` is an object ID that defines your place in the list. For instance, if you make a list request and receive 100 objects, ending with obj_foo, your subsequent call can include after=obj_foo in order to fetch the next page of the list.
                  *      */
                 after?: string;
+                /** @description Filter by the email address of users. */
+                emails?: string[];
             };
             header?: never;
             path?: never;