Update app.py

app.py

@@ -101,7 +101,7 @@ def create_model_dropdown():
          "openchat/openchat-7b:free", "meta-llama/llama-3.2-90b-vision-instruct:free", "meta-llama/llama-3.2-11b-vision-instruct:free",
          "meta-llama/llama-3-8b-instruct:free", "meta-llama/llama-3.2-3b-instruct:free", "microsoft/phi-3-medium-128k-instruct:free",
          "microsoft/phi-3-mini-128k-instruct:free", "huggingfaceh4/zephyr-7b-beta:free"],
-        value="nousresearch/hermes-3-llama-3.1-405b:free", label="Model"
+        value="meta-llama/llama-3.1-8b-instruct:free", label="Model"
     )
 
 def create_approach_dropdown():