import os
from dotenv import load_dotenv
from langchain_openai import OpenAIEmbeddings
_ = load_dotenv()
embedding_model = OpenAIEmbeddings(
model="openai/text-embedding-3-small",
api_key=os.getenv("OPENROUTER_API_KEY"),
api_base="https://openrouter.ai/api/v1"
)