Update app.py

app.py

@@ -71,7 +71,7 @@ def my_chatbot(input, history, user_password):
     valid, message = validate_password(user_password)
     if not valid:
         return [(input, message)], []
-    model_type='gpt-4o-2024-05-13'
+    model_type='gpt-4o-mini'
     history = history or []
     output = generate_response(input, model_type)
     history.append((input, output))