# requirements.txt gradio==5.15.0 openai==1.61.1 langchain-openai==0.3.4 langchain-anthropic==0.3.7 langchain-deepseek==0.1.1 langchain-core==0.3.34 pydantic==2.9.2 typing_extensions==4.12.2 huggingface_hub==0.28.1 langchain_deepseek langchain_google_genai