Update app.py

app.py

@@ -83,7 +83,7 @@ def predict(user_input):
 
     try:
         response = client.chat.completions.create(
-            model='mlabonne/NeuralHermes-2.5-Mistral-7B',
+            model='gpt-4o-mini',
             messages=prompt,
             temperature=0
         )