Update app.py

app.py

@@ -31,7 +31,7 @@ def respond(
     response = ""
     
     for message in  client.chat.completions.create(
-        model="meta-llama/Meta-Llama-3.1-8B-Instruct",
+        model="mistralai/Mistral-Nemo-Instruct-2407",
         max_tokens=max_tokens,
         stream=True,
         temperature=temperature,