requirements.txt

# Core dependencies
streamlit>=1.22.0
pandas>=1.5.0
numpy>=1.23.0
torch>=2.0.0

# Transformers and NLP
transformers>=4.30.0
sentence-transformers>=2.2.2

# LangChain components
langchain>=0.0.267
langchain-community>=0.0.10

# Vector database
faiss-cpu>=1.7.4
# Use faiss-gpu instead if you want GPU support:
# faiss-gpu>=1.7.4

# PDF processing
pypdf>=3.9.0

# For datetime handling
python-dateutil>=2.8.2

# Optional: for better performance with PyTorch
# If using CUDA, you might need specific versions compatible with your CUDA version
# torchvision>=0.15.0
# torchaudio>=2.0.0