Update app.py

app.py

@@ -18,9 +18,9 @@ def get_streamed_response(message, history):
 
     url = "https://api.together.xyz/v1/chat/completions"
     payload = {
-        "model": "NousResearch/Nous-Hermes-Llama2-13b",
-        "temperature": 1,
-        "top_p": 1,
+        "model": "NousResearch/Nous-Hermes-2-Mixtral-8x7B-SFT",
+        "temperature": 0.7,
+        "top_p": 0.7,
         "top_k": 50,
         "repetition_penalty": 1,
         "n": 1,