Update app.py

app.py

@@ -5,7 +5,8 @@ import inspect
 import pandas as pd
 
 from crewai import Crew, Agent, Task
-from langchain.llms import Together
+# from langchain.llms import Together
+from langchain.chat_models import ChatOpenAI
 import os
 
 # (Keep Constants as is)
@@ -21,12 +22,15 @@ class BasicAgent:
     def __init__(self):
         print("✅ Initializing CrewAI agent...")
         
-        self.llm = Together(
-            model="togethercomputer/llama-2-70b-chat",  # or any supported model
+        
+
+        self.llm = ChatOpenAI(
+            model_name="gpt-4",
             temperature=0.3,
-            together_api_key=os.getenv("TOGETHER_API_KEY")
+            openai_api_key=os.getenv("OPENAI_API_KEY")
         )
 
+
         self.agent = Agent(
             role="QA Specialist",
             goal="Answer benchmark questions accurately with deep reasoning and knowledge",