import os from openai import OpenAI from dotenv import load_dotenv load_dotenv() client = OpenAI( api_key=os.getenv("API_KEY"), base_url=os.getenv("BASE_URL"), ) model_chat = os.getenv("MODEL_CHAT", "gpt-4.1") model_embed = os.getenv("MODEL_EMBED", "text-embedding-3-small")