Update app.py

app.py

@@ -1194,7 +1194,7 @@ def generate_message_mistral(prompt, max_retries=5):
     while retries < max_retries:
         try:
             chat_response = client_mistral.chat.complete(
-                model="mistral-large-latest",
+                model="open-mistral-nemo",
                 messages=[
                     {
                         "role": "user",