LiveKit is a WebRTC-first platform for realtime video, voice, and data in your product. LiveKit Agents is its framework for conversational agents.Cartesia integrates in two ways: LiveKit Inference (hosted cartesia/sonic-3 and related model IDs in the agent runtime; keys and pricing are through LiveKit—see LiveKit’s Cartesia TTS guide) and the open-source livekit-plugins-cartesia Python package for TTS and STT using your Cartesia credentials from the worker.
