LiveKit
Free tierThe open source framework and cloud platform for voice, video, and physical AI agents
Free tier available·Technical·API available·Open source
Key strengths
Open source agent frameworkGlobal real-time infrastructure with 19+ regions and 100ms latencyMulti-provider inference gateway (LLM, STT, TTS)Telephony/SIP integrationFull-stack observabilityGDPR, SOC 2 Type 2, and HIPAA complianceProven at scale (3B+ calls annually)
Free tier + paid plans · from $50 USD/mo
San Francisco, USA
Founded 2021
Self-hostable
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- Voice AI agents: Build low-latency conversational agents using a composable STT → LLM → TTS pipeline with swappable providers (e.g., Deepgram + OpenAI + Cartesia) over WebRTC or SIP/PSTN.
- Video AI applications: Integrate real-time video streams with AI processing across LiveKit's 19+ region infrastructure for sub-100ms latency.
- Telephony automation: Connect AI agents to phone networks via SIP trunking or Twilio for inbound/outbound call handling.
- Physical AI / robotics: Use the agent framework and real-time transport layer to power perception and communication in robotics systems.
- Multi-provider inference: Route LLM, STT, and TTS requests through a unified gateway, enabling provider failover or cost optimization without re-architecting agent logic.
- Compliant enterprise deployments: Self-host or use managed cloud with GDPR, SOC 2 Type 2, and HIPAA compliance for regulated industries.
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