Update app.py

app.py

@@ -33,7 +33,7 @@ def chat_with_model(message, history, temperature, max_tokens, top_p, top_k):
     }
     
     payload = {
-        "model": "accounts/waseem-9b447b/models/ft-gdixl08u-sz53t",
+        "model": "accounts/fireworks/models/kimi-k2-instruct-0905",
         "max_tokens": max_tokens,
         "top_p": top_p,
         "top_k": top_k,