Update app.py

app.py

@@ -44,8 +44,13 @@ def load_llm():
     #                           'context_length': 700}
     # )
 
+    # llm = HuggingFaceHub(
+    #     repo_id="meta-llama/Llama-2-7b-chat-hf",  # Official Llama-2 model
+    #     model_kwargs={"temperature": 0.5, "max_length": 500}
+    # )
+
     llm = HuggingFaceHub(
-        repo_id="meta-llama/Llama-2-7b-chat-hf",  # Official Llama-2 model
+        repo_id="mistralai/Mistral-7B-Instruct",  # Free and open-source alternative
         model_kwargs={"temperature": 0.5, "max_length": 500}
     )