LiveKit

An open source framework and developer platform for building, testing, deploying, scaling, and observing voice, video, and physical AI agents. It solves the problem of building real-time AI agents that can interact with the world, handling streaming, turn detection, and telephony. It sells to developers and engineering teams at startups and enterprises, including AI labs and Fortune 500 companies. It is positioned as a complete stack with an open source framework, inference gateway, cloud platform, and observability, deployed via LiveKit Cloud.

Key features

• Open source framework for building agents
• Inference gateway for TTS, LLM, STT
• Cloud platform for deploying and scaling
• Phone numbers and SIP integrations
• Full-stack observability for agent sessions
• Automatic turn detection and interruption handling
• Run millions of concurrent calls
• Global realtime infrastructure