Update app.py

app.py

@@ -11,7 +11,7 @@ app = Flask(__name__, template_folder=os.getcwd())
 
 # Default settings
 class ChatConfig:
-    MODEL = "google/gemma-2-2b-it"  # Change back to Gemma
+    MODEL = "meta-llama/Llama-3.3-70B-Instruct"  # Change back to Gemma
     DEFAULT_SYSTEM_MSG = "You are an AI assistant answering only based on the uploaded PDF."
     DEFAULT_MAX_TOKENS = 512
     DEFAULT_TEMP = 0.3