Update app.py

app.py

@@ -12,6 +12,7 @@ from langchain_groq import ChatGroq
 from dotenv import load_dotenv
 from langchain.schema import Document
 from langchain.vectorstores import FAISS
+from langchain_openai import OpenAI
 
 
 load_dotenv()  # Load environment variables from .env file
@@ -25,7 +26,8 @@ process_url_clicked = st.sidebar.button("Process URLs")
 file_path = "faiss_store_openai.pkl"
 
 main_placeholder = st.empty()
-llm = ChatGroq(model_name="llama-3.3-70b-versatile", temperature=0.9, max_tokens=500)
+llm = OpenAI(model_name="gpt-4o", temperature=0.9, max_tokens=500)
+#llm = ChatGroq(model_name="llama-3.3-70b-versatile", temperature=0.9, max_tokens=500)
 
 def fetch_web_content(url):
     """Fetches text content from a given URL using BeautifulSoup."""