gradio[full] gradio[mcp] gradio # core Llama-Index + HF model support llama-index>=0.9.0 # Specify minimum version openai transformers torch accelerate # optional extras langchain langchain-community # system requirement for audio I/O (ffmpeg must be installed): # • Debian/Ubuntu: sudo apt install ffmpeg # • macOS (homebrew): brew install ffmpeg # • Windows: download from https://ffmpeg.org/download.html