diff --git a/examples/async_demo.py b/examples/async_demo.py
index 793b4e43fb..f27016a4e3 100755
--- a/examples/async_demo.py
+++ b/examples/async_demo.py
@@ -1,4 +1,4 @@
-#!/usr/bin/env -S poetry run python
+#!/usr/bin/env -S rye run python
 
 import asyncio
 
@@ -9,13 +9,21 @@
 
 
 async def main() -> None:
-    stream = await client.completions.create(
-        model="gpt-3.5-turbo-instruct",
-        prompt="Say this is a test",
+    stream = await client.chat.completions.create(
+        model="gpt-4o",
+        messages=[
+            {
+                "role": "user",
+                "content": "Say this is a test",
+            },
+        ],
         stream=True,
     )
-    async for completion in stream:
-        print(completion.choices[0].text, end="")
+    async for chunk in stream:
+        if not chunk.choices:
+            continue
+
+        print(chunk.choices[0].delta.content or "", end="")
     print()
 
 
diff --git a/examples/demo.py b/examples/demo.py
index ac1710f3e0..8b8ab4ba20 100755
--- a/examples/demo.py
+++ b/examples/demo.py
@@ -1,4 +1,4 @@
-#!/usr/bin/env -S poetry run python
+#!/usr/bin/env -S rye run python
 
 from openai import OpenAI
 
@@ -8,7 +8,7 @@
 # Non-streaming:
 print("----- standard request -----")
 completion = client.chat.completions.create(
-    model="gpt-4",
+    model="gpt-4o",
     messages=[
         {
             "role": "user",
@@ -21,7 +21,7 @@
 # Streaming:
 print("----- streaming request -----")
 stream = client.chat.completions.create(
-    model="gpt-4",
+    model="gpt-4o",
     messages=[
         {
             "role": "user",
@@ -40,7 +40,7 @@
 # Response headers:
 print("----- custom response headers test -----")
 response = client.chat.completions.with_raw_response.create(
-    model="gpt-4",
+    model="gpt-4o",
     messages=[
         {
             "role": "user",
diff --git a/examples/streaming.py b/examples/streaming.py
index 9a84891a83..1a4731c12f 100755
--- a/examples/streaming.py
+++ b/examples/streaming.py
@@ -1,4 +1,4 @@
-#!/usr/bin/env -S poetry run python
+#!/usr/bin/env -S rye run python
 
 import asyncio
 
@@ -12,11 +12,14 @@
 
 def sync_main() -> None:
     client = OpenAI()
-    response = client.completions.create(
-        model="gpt-3.5-turbo-instruct",
-        prompt="1,2,3,",
-        max_tokens=5,
-        temperature=0,
+    response = client.chat.completions.create(
+        model="gpt-4o",
+        messages=[
+            {
+                "role": "user",
+                "content": "Count from 1 to 5.",
+            },
+        ],
         stream=True,
     )
 
@@ -32,11 +35,14 @@ def sync_main() -> None:
 
 async def async_main() -> None:
     client = AsyncOpenAI()
-    response = await client.completions.create(
-        model="gpt-3.5-turbo-instruct",
-        prompt="1,2,3,",
-        max_tokens=5,
-        temperature=0,
+    response = await client.chat.completions.create(
+        model="gpt-4o",
+        messages=[
+            {
+                "role": "user",
+                "content": "Count from 1 to 5.",
+            },
+        ],
         stream=True,
     )
 
diff --git a/examples/video.py b/examples/video.py
index ee89e64697..af307e19ee 100644
--- a/examples/video.py
+++ b/examples/video.py
@@ -1,4 +1,4 @@
-#!/usr/bin/env -S poetry run python
+#!/usr/bin/env -S rye run python
 
 import asyncio