Update chatbot.py

chatbot.py

@@ -28,7 +28,7 @@ class RAGChatbot:
         # ✅ NEW: API configuration
         self.api_url = "https://router.huggingface.co/v1/chat/completions"
         self.headers = {"Authorization": f"Bearer {hf_token}"}
-        self.model_name = "meta-llama/Llama-3.1-8B-Instruct"
+        self.model_name = "meta-llama/Llama-3.3-70B-Instruct:sambanova"
         
         self.chat_history = []
         self.output_dir = "./"