diff --git a/apps/web/src/lib/ai-gateway/providers/apply-provider-specific-logic.test.ts b/apps/web/src/lib/ai-gateway/providers/apply-provider-specific-logic.test.ts
index 8688ecb38a..08fe2f81bd 100644
--- a/apps/web/src/lib/ai-gateway/providers/apply-provider-specific-logic.test.ts
+++ b/apps/web/src/lib/ai-gateway/providers/apply-provider-specific-logic.test.ts
@@ -383,7 +383,7 @@ describe('applyPreferredProvider', () => {
 
     expect(request.body.provider).toEqual({
       zdr: true,
-      order: ['amazon-bedrock', 'anthropic'],
+      order: ['google-vertex', 'amazon-bedrock', 'anthropic'],
     });
   });
 
@@ -409,6 +409,8 @@ describe('applyPreferredProvider', () => {
 
     applyPreferredProvider('anthropic/claude-sonnet-4.5', request.body);
 
-    expect(request.body.provider).toEqual({ order: ['amazon-bedrock', 'anthropic'] });
+    expect(request.body.provider).toEqual({
+      order: ['google-vertex', 'amazon-bedrock', 'anthropic'],
+    });
   });
 });
diff --git a/apps/web/src/lib/ai-gateway/providers/apply-provider-specific-logic.ts b/apps/web/src/lib/ai-gateway/providers/apply-provider-specific-logic.ts
index dfa5b49a2f..7a5a31a03b 100644
--- a/apps/web/src/lib/ai-gateway/providers/apply-provider-specific-logic.ts
+++ b/apps/web/src/lib/ai-gateway/providers/apply-provider-specific-logic.ts
@@ -136,9 +136,9 @@ export function getPreferredProviderOrder(requestedModel: string): string[] {
     return [OpenRouterInferenceProviderIdSchema.enum.openai];
   }
   if (isClaudeModel(requestedModel) && !isFableModel(requestedModel)) {
-    // fable is not available on bedrock on vercel
-    // and specifying bedrock breaks the opus fallback
+    // specifying this for fable breaks the opus fallback on vercel
     return [
+      OpenRouterInferenceProviderIdSchema.enum['google-vertex'],
       OpenRouterInferenceProviderIdSchema.enum['amazon-bedrock'],
       OpenRouterInferenceProviderIdSchema.enum.anthropic,
     ];