diff --git a/packages/core/src/utils/openaiLogger.test.ts b/packages/core/src/utils/openaiLogger.test.ts
index ddd249029c..03626acd02 100644
--- a/packages/core/src/utils/openaiLogger.test.ts
+++ b/packages/core/src/utils/openaiLogger.test.ts
@@ -344,6 +344,45 @@ describe('OpenAILogger', () => {
       expect(logContent.response).toBeNull();
     });
 
+    it('should log request id from OpenAI API errors', async () => {
+      const logger = new OpenAILogger(testTempDir);
+      await logger.initialize();
+
+      const error = Object.assign(new Error('Server error'), {
+        requestID: 'req-server-123',
+      });
+
+      const logPath = await logger.logInteraction(
+        { model: 'gpt-4' },
+        undefined,
+        error,
+      );
+      const logContent = JSON.parse(await fs.readFile(logPath, 'utf-8'));
+
+      expect(logContent.error).toMatchObject({
+        message: 'Server error',
+        requestId: 'req-server-123',
+      });
+    });
+
+    it('should log request id from provider error payloads', async () => {
+      const logger = new OpenAILogger(testTempDir);
+      await logger.initialize();
+
+      const error = new Error(
+        'event:error\n:HTTP_STATUS/429\ndata:{"request_id":"req-provider-456","code":"Throttling.AllocationQuota","message":"Allocated quota exceeded"}',
+      );
+
+      const logPath = await logger.logInteraction(
+        { model: 'qwen-plus' },
+        undefined,
+        error,
+      );
+      const logContent = JSON.parse(await fs.readFile(logPath, 'utf-8'));
+
+      expect(logContent.error.requestId).toBe('req-provider-456');
+    });
+
     it('should use custom directory when provided', async () => {
       const customDir = path.join(testTempDir, 'custom-logs');
       const logger = new OpenAILogger(customDir);
diff --git a/packages/core/src/utils/openaiLogger.ts b/packages/core/src/utils/openaiLogger.ts
index 46e22c65ed..6f57f26cf8 100644
--- a/packages/core/src/utils/openaiLogger.ts
+++ b/packages/core/src/utils/openaiLogger.ts
@@ -10,6 +10,7 @@ import { v4 as uuidv4 } from 'uuid';
 import * as os from 'os';
 import { createDebugLogger } from './debugLogger.js';
 import { isInternalPromptId } from './internalPromptIds.js';
+import { getRateLimitErrorDetails } from './rateLimit.js';
 
 const debugLogger = createDebugLogger('OPENAI_LOGGER');
 const MAIN_SESSION_PROMPT_ID_DELIMITER = '########';
@@ -111,6 +112,39 @@ function contextForPromptId(
   };
 }
 
+function getString(value: unknown): string | undefined {
+  return typeof value === 'string' && value ? value : undefined;
+}
+
+function getErrorRequestId(error: Error): string | undefined {
+  const source = error as {
+    requestID?: unknown;
+    request_id?: unknown;
+    requestId?: unknown;
+    response_id?: unknown;
+  };
+  return (
+    getString(source.requestID) ??
+    getString(source.request_id) ??
+    getString(source.requestId) ??
+    getString(source.response_id) ??
+    getRateLimitErrorDetails(error).requestId
+  );
+}
+
+function serializeError(error: Error): {
+  message: string;
+  stack?: string;
+  requestId?: string;
+} {
+  const requestId = getErrorRequestId(error);
+  return {
+    message: error.message,
+    stack: error.stack,
+    ...(requestId ? { requestId } : {}),
+  };
+}
+
 /**
  * Logger specifically for OpenAI API requests and responses
  */
@@ -175,12 +209,7 @@ export class OpenAILogger {
       timestamp: new Date().toISOString(),
       request,
       response: response || null,
-      error: error
-        ? {
-            message: error.message,
-            stack: error.stack,
-          }
-        : null,
+      error: error ? serializeError(error) : null,
       context: contextForPromptId(promptId),
       system: {
         hostname: os.hostname(),