fastapi uvicorn[standard] pydantic pydantic-settings python-dotenv python-jose[cryptography] python-multipart openai httpx requests # Speech recognition - Whisper large-v3 (free, open-source from HuggingFace) transformers librosa torch soundfile av # PyAV for webm/opus audio decoding scipy # Fast audio resampling huggingface_hub # For free Whisper API groq # Groq API - FREE fast Whisper large-v3