Update chatbot_rag.py

chatbot_rag.py

@@ -26,7 +26,7 @@ def build_qa():
     # 1. Embeddings
     print("🔹 Loading embeddings...")
     embeddings = HuggingFaceEmbeddings(
-        model_name="sentence-transformers/all-mpnet-base-v2"
+        model_name="sentence-transformers/all-MiniLM-L6-v2"
     )
 
     # 2. Load vector DB
@@ -41,7 +41,7 @@ def build_qa():
     # 3. Load LLM (Phi-3 mini)
     print("🔹 Loading LLM...") 
     
-    model_id = "meta-llama/Llama-3.2-1B" 
+    model_id = "meta-llama/Llama-3.2-1B-Instruct" 
     tokenizer = AutoTokenizer.from_pretrained(model_id) 
     model = AutoModelForCausalLM.from_pretrained( 
         model_id,