from langchain_groq import ChatGroq
import os

api=os.getenv('groq_api')

def get_llm():
    """
    Returns the language model instance (LLM) using ChatGroq API.
    The LLM used is Llama 3.1 with a versatile 70 billion parameters model.
    """
    return ChatGroq(
        model="llama-3.3-70b-versatile",
        temperature=0,
        max_tokens=1024,
        api_key=api
    )

llm = get_llm()