diff --git a/lib/utils/index.ts b/lib/utils/index.ts
index 5b4f03e1..a25e84fc 100644
--- a/lib/utils/index.ts
+++ b/lib/utils/index.ts
@@ -86,7 +86,7 @@ export async function getModel(requireVision: boolean = false) {
       const openai = createOpenAI({
         apiKey: openaiApiKey,
       });
-      return openai('gpt-4o');
+      return openai('gpt-6-astra');
     } catch (error) {
       console.warn('OpenAI API unavailable, falling back to next provider:', error);
     }
@@ -135,7 +135,7 @@ export async function getModel(requireVision: boolean = false) {
   const openai = createOpenAI({
     apiKey: openaiApiKey,
   });
-  return openai('gpt-4o');
+  return openai('gpt-6-astra');
 }
 
 /**