Update app.py

app.py

@@ -42,7 +42,7 @@ def setup_vectorstore(documents):
 def create_chain(vectorstores):
     llm = ChatGroq(
         api_key=secret,
-        model="llama-3.3-70b-versatile",
+        model="llama-3.1-8b-instant",
         temperature=0
     )
     retriever = vectorstores.as_retriever()