Open-source framework and cloud for building, deploying and scaling realtime voice, video and AI agents.
What it does
LiveKit is an open-source framework and developer platform for realtime voice, video and physical AI agents. It provides APIs to build voice agents, an inference gateway to STT/LLM/TTS models, telephony/SIP, and LiveKit Cloud to deploy, scale and observe agents in production; it powers ChatGPT's Advanced Voice.
Core features
Open-source agents framework (voice/video)
LiveKit Cloud for deploy and scale
Inference gateway for STT, LLM and TTS
Telephony/SIP and phone numbers
Turn detection and interruption handling
Full-stack observability and analytics
Best for
→Building realtime voice AI agents
→Adding voice/video to apps at scale
→Telephony-enabled AI assistants
Pricing
Build
$0/mo
Ship: from
$50/mo
Scale: from
$500/mo
Toolspool rankingby global site rank
Reviews
Big-picture takes: what it's for and whether it delivers. High-engagement YouTube videos — not sponsored.
Tutorials
Step-by-step: exactly how to get things done with it.