diff --git a/.generator/schemas/v1/openapi.yaml b/.generator/schemas/v1/openapi.yaml
index 25a447b57951..3dd33d9eab99 100644
--- a/.generator/schemas/v1/openapi.yaml
+++ b/.generator/schemas/v1/openapi.yaml
@@ -22831,6 +22831,22 @@ components:
           description: Shows the 99th percentile of all IoT devices over all hours in the current date all organizations.
           format: int64
           type: integer
+        llm_observability_15day_retention_spans_sum:
+          description: Sum of all LLM Observability spans with 15-day retention over all hours in the current date for all organizations.
+          format: int64
+          type: integer
+        llm_observability_30day_retention_spans_sum:
+          description: Sum of all LLM Observability spans with 30-day retention over all hours in the current date for all organizations.
+          format: int64
+          type: integer
+        llm_observability_60day_retention_spans_sum:
+          description: Sum of all LLM Observability spans with 60-day retention over all hours in the current date for all organizations.
+          format: int64
+          type: integer
+        llm_observability_90day_retention_spans_sum:
+          description: Sum of all LLM Observability spans with 90-day retention over all hours in the current date for all organizations.
+          format: int64
+          type: integer
         llm_observability_min_spend_sum:
           description: Sum of all LLM observability minimum spend over all hours in the current date for all organizations.
           format: int64
@@ -23852,6 +23868,22 @@ components:
           description: Shows the 99th percentile of all IoT devices over all hours in the current date for the given org.
           format: int64
           type: integer
+        llm_observability_15day_retention_spans_sum:
+          description: Shows the sum of all LLM Observability spans with 15-day retention over all hours in the current date for the given org.
+          format: int64
+          type: integer
+        llm_observability_30day_retention_spans_sum:
+          description: Shows the sum of all LLM Observability spans with 30-day retention over all hours in the current date for the given org.
+          format: int64
+          type: integer
+        llm_observability_60day_retention_spans_sum:
+          description: Shows the sum of all LLM Observability spans with 60-day retention over all hours in the current date for the given org.
+          format: int64
+          type: integer
+        llm_observability_90day_retention_spans_sum:
+          description: Shows the sum of all LLM Observability spans with 90-day retention over all hours in the current date for the given org.
+          format: int64
+          type: integer
         llm_observability_min_spend_sum:
           description: Shows the sum of all LLM Observability minimum spend over all hours in the current date for the given org.
           format: int64
@@ -24889,6 +24921,22 @@ components:
           description: Shows the sum of all live logs bytes ingested over all hours in the current month for all organizations (data available as of December 1, 2020).
           format: int64
           type: integer
+        llm_observability_15day_retention_spans_agg_sum:
+          description: Sum of all LLM Observability spans with 15-day retention for all hours in the current month for all organizations.
+          format: int64
+          type: integer
+        llm_observability_30day_retention_spans_agg_sum:
+          description: Sum of all LLM Observability spans with 30-day retention for all hours in the current month for all organizations.
+          format: int64
+          type: integer
+        llm_observability_60day_retention_spans_agg_sum:
+          description: Sum of all LLM Observability spans with 60-day retention for all hours in the current month for all organizations.
+          format: int64
+          type: integer
+        llm_observability_90day_retention_spans_agg_sum:
+          description: Sum of all LLM Observability spans with 90-day retention for all hours in the current month for all organizations.
+          format: int64
+          type: integer
         llm_observability_agg_sum:
           description: Sum of all LLM observability sessions for all hours in the current month for all organizations.
           format: int64
diff --git a/services/usage_metering/src/v1/models/UsageSummaryDate.ts b/services/usage_metering/src/v1/models/UsageSummaryDate.ts
index b6a664ebeb9b..4a12ba35c01d 100644
--- a/services/usage_metering/src/v1/models/UsageSummaryDate.ts
+++ b/services/usage_metering/src/v1/models/UsageSummaryDate.ts
@@ -562,6 +562,22 @@ export class UsageSummaryDate {
    * Shows the 99th percentile of all IoT devices over all hours in the current date all organizations.
    */
   "iotDeviceTop99p"?: number;
+  /**
+   * Sum of all LLM Observability spans with 15-day retention over all hours in the current date for all organizations.
+   */
+  "llmObservability15dayRetentionSpansSum"?: number;
+  /**
+   * Sum of all LLM Observability spans with 30-day retention over all hours in the current date for all organizations.
+   */
+  "llmObservability30dayRetentionSpansSum"?: number;
+  /**
+   * Sum of all LLM Observability spans with 60-day retention over all hours in the current date for all organizations.
+   */
+  "llmObservability60dayRetentionSpansSum"?: number;
+  /**
+   * Sum of all LLM Observability spans with 90-day retention over all hours in the current date for all organizations.
+   */
+  "llmObservability90dayRetentionSpansSum"?: number;
   /**
    * Sum of all LLM observability minimum spend over all hours in the current date for all organizations.
    */
@@ -1704,6 +1720,26 @@ export class UsageSummaryDate {
       type: "number",
       format: "int64",
     },
+    llmObservability15dayRetentionSpansSum: {
+      baseName: "llm_observability_15day_retention_spans_sum",
+      type: "number",
+      format: "int64",
+    },
+    llmObservability30dayRetentionSpansSum: {
+      baseName: "llm_observability_30day_retention_spans_sum",
+      type: "number",
+      format: "int64",
+    },
+    llmObservability60dayRetentionSpansSum: {
+      baseName: "llm_observability_60day_retention_spans_sum",
+      type: "number",
+      format: "int64",
+    },
+    llmObservability90dayRetentionSpansSum: {
+      baseName: "llm_observability_90day_retention_spans_sum",
+      type: "number",
+      format: "int64",
+    },
     llmObservabilityMinSpendSum: {
       baseName: "llm_observability_min_spend_sum",
       type: "number",
diff --git a/services/usage_metering/src/v1/models/UsageSummaryDateOrg.ts b/services/usage_metering/src/v1/models/UsageSummaryDateOrg.ts
index 0b24beef4d40..3d6972c1ce43 100644
--- a/services/usage_metering/src/v1/models/UsageSummaryDateOrg.ts
+++ b/services/usage_metering/src/v1/models/UsageSummaryDateOrg.ts
@@ -576,6 +576,22 @@ export class UsageSummaryDateOrg {
    * Shows the 99th percentile of all IoT devices over all hours in the current date for the given org.
    */
   "iotDeviceTop99pSum"?: number;
+  /**
+   * Shows the sum of all LLM Observability spans with 15-day retention over all hours in the current date for the given org.
+   */
+  "llmObservability15dayRetentionSpansSum"?: number;
+  /**
+   * Shows the sum of all LLM Observability spans with 30-day retention over all hours in the current date for the given org.
+   */
+  "llmObservability30dayRetentionSpansSum"?: number;
+  /**
+   * Shows the sum of all LLM Observability spans with 60-day retention over all hours in the current date for the given org.
+   */
+  "llmObservability60dayRetentionSpansSum"?: number;
+  /**
+   * Shows the sum of all LLM Observability spans with 90-day retention over all hours in the current date for the given org.
+   */
+  "llmObservability90dayRetentionSpansSum"?: number;
   /**
    * Shows the sum of all LLM Observability minimum spend over all hours in the current date for the given org.
    */
@@ -1743,6 +1759,26 @@ export class UsageSummaryDateOrg {
       type: "number",
       format: "int64",
     },
+    llmObservability15dayRetentionSpansSum: {
+      baseName: "llm_observability_15day_retention_spans_sum",
+      type: "number",
+      format: "int64",
+    },
+    llmObservability30dayRetentionSpansSum: {
+      baseName: "llm_observability_30day_retention_spans_sum",
+      type: "number",
+      format: "int64",
+    },
+    llmObservability60dayRetentionSpansSum: {
+      baseName: "llm_observability_60day_retention_spans_sum",
+      type: "number",
+      format: "int64",
+    },
+    llmObservability90dayRetentionSpansSum: {
+      baseName: "llm_observability_90day_retention_spans_sum",
+      type: "number",
+      format: "int64",
+    },
     llmObservabilityMinSpendSum: {
       baseName: "llm_observability_min_spend_sum",
       type: "number",
diff --git a/services/usage_metering/src/v1/models/UsageSummaryResponse.ts b/services/usage_metering/src/v1/models/UsageSummaryResponse.ts
index aa5ad30d21f3..4a084dbe7d36 100644
--- a/services/usage_metering/src/v1/models/UsageSummaryResponse.ts
+++ b/services/usage_metering/src/v1/models/UsageSummaryResponse.ts
@@ -587,6 +587,22 @@ export class UsageSummaryResponse {
    * Shows the sum of all live logs bytes ingested over all hours in the current month for all organizations (data available as of December 1, 2020).
    */
   "liveIngestedBytesAggSum"?: number;
+  /**
+   * Sum of all LLM Observability spans with 15-day retention for all hours in the current month for all organizations.
+   */
+  "llmObservability15dayRetentionSpansAggSum"?: number;
+  /**
+   * Sum of all LLM Observability spans with 30-day retention for all hours in the current month for all organizations.
+   */
+  "llmObservability30dayRetentionSpansAggSum"?: number;
+  /**
+   * Sum of all LLM Observability spans with 60-day retention for all hours in the current month for all organizations.
+   */
+  "llmObservability60dayRetentionSpansAggSum"?: number;
+  /**
+   * Sum of all LLM Observability spans with 90-day retention for all hours in the current month for all organizations.
+   */
+  "llmObservability90dayRetentionSpansAggSum"?: number;
   /**
    * Sum of all LLM observability sessions for all hours in the current month for all organizations.
    */
@@ -1780,6 +1796,26 @@ export class UsageSummaryResponse {
       type: "number",
       format: "int64",
     },
+    llmObservability15dayRetentionSpansAggSum: {
+      baseName: "llm_observability_15day_retention_spans_agg_sum",
+      type: "number",
+      format: "int64",
+    },
+    llmObservability30dayRetentionSpansAggSum: {
+      baseName: "llm_observability_30day_retention_spans_agg_sum",
+      type: "number",
+      format: "int64",
+    },
+    llmObservability60dayRetentionSpansAggSum: {
+      baseName: "llm_observability_60day_retention_spans_agg_sum",
+      type: "number",
+      format: "int64",
+    },
+    llmObservability90dayRetentionSpansAggSum: {
+      baseName: "llm_observability_90day_retention_spans_agg_sum",
+      type: "number",
+      format: "int64",
+    },
     llmObservabilityAggSum: {
       baseName: "llm_observability_agg_sum",
       type: "number",