feat (provider/openai): add o3 reasoning model support (#4240)

Co-authored-by: Ankush Agarwal <[email protected]>
vercel · Jan 2, 2025 · a4241ff · a4241ff
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diff --git a/.changeset/shaggy-mayflies-jump.md b/.changeset/shaggy-mayflies-jump.md
@@ -0,0 +1,5 @@
+---
+'@ai-sdk/openai': patch
+---
+
+feat (provider/openai): add o3 reasoning model support
diff --git a/packages/openai/src/openai-chat-language-model.ts b/packages/openai/src/openai-chat-language-model.ts
@@ -817,7 +817,12 @@ const openaiChatChunkSchema = z.union([
 ]);
 
 function isReasoningModel(modelId: string) {
-  return modelId === 'o1' || modelId.startsWith('o1-');
+  return (
+    modelId === 'o1' ||
+    modelId.startsWith('o1-') ||
+    modelId === 'o3' ||
+    modelId.startsWith('o3-')
+  );
 }
 
 function isAudioModel(modelId: string) {