Update demo project.py

demo project.py

@@ -34,7 +34,7 @@ def invoke_llm(query):
     return res.content
     
 def invoke_relevance_checker_llm(query):
-    llm = ChatGroq(model='llama-3.1-8b-instant')
+    llm = ChatGroq(model='llama-3.3-70b-versatile')
     checker_llm = llm.with_structured_output(checker_class)
     try:
         res = checker_llm.invoke([HumanMessage(content=query)])