diff --git a/packages/backend/src/agents/interpreter.ts b/packages/backend/src/agents/interpreter.ts
index 69ae3de..a6c7bd7 100644
--- a/packages/backend/src/agents/interpreter.ts
+++ b/packages/backend/src/agents/interpreter.ts
@@ -28,7 +28,7 @@ export async function runInterpreter(input: InterpreterInput): Promise<Interpret
     : '';
 
   const response = await openai.responses.parse({
-    model: 'gpt-5.4-mini',
+    model: 'gpt-5.4',
     temperature: 0.2,
     service_tier: 'flex',
     text: { format: zodTextFormat(InterpreterSchema, "preferences") },