Update app.py

app.py

@@ -130,7 +130,7 @@ def safe_agent_call(agent, question, retries=5, wait_time=20):
 class BasicAgent:
     def __init__(self):
         self.agent = CodeAgent(
-            model=OpenAIServerModel(model_id="gpt-4o-mini"),
+            model=OpenAIServerModel(model_id="gpt-4.1-mini"),
             tools=[
                 DuckDuckGoSearchTool(),
                 WikipediaSearchTool(),