flask==3.0.3 gunicorn==22.0.0 langchain-community==0.4.1 langchain-text-splitters==1.1.0 chromadb==1.4.1 sentence-transformers==5.2.0 # Often required by sentence-transformers / transformers stack torch==2.3.1 transformers==4.57.6 tokenizers==0.22.2 numpy==2.0.2 tiktoken==0.12.0 httpx==0.28.1 openai>=1.55.0