requirements.txt

# FastAPI and Server
fastapi
uvicorn[standard]
python-multipart
aiofiles

# LangChain Core
langchain
langchain-community

# OpenAI Integration (replaces Google Generative AI)
langchain-openai
openai

# Vector Store and Embeddings
faiss-cpu

# Text Processing and Tokenization
tiktoken

# Data Models and Configuration
pydantic
python-dotenv

# Additional Dependencies for Better Compatibility
httpx
requests
numpy

# Optional: For enhanced text processing
unstructured[local-inference]
sentence-transformers

# Optional: For better async support
asyncio
aiohttp