openai>=1.51.0
huggingface-hub>=0.25.0   # only needed if you use InferenceClient later
httpx>=0.27.0             # used internally by OpenAI SDK
python-dotenv>=1.0.1      # if you load HF_TOKEN from .env

langchain==0.1.0
langchain-community==0.0.13
langchain-huggingface==0.0.1
transformers==4.36.0
torch==2.1.0
sentence-transformers==2.2.2
faiss-cpu==1.7.4  # or faiss-gpu if using GPU for embeddings too
sqlalchemy==2.0.23
accelerate==0.25.0
bitsandbytes==0.41.3  # For quantization (optional)