# LiveKit

> LiveKit is an open-source platform and global edge network for building real-time voice, video, and physical AI applications. Born as a WebRTC media server for livestreaming and conferencing, it has grown into the infrastructure layer that lets AI agents see, hear, and speak with sub-100ms latency. Its technology powers ChatGPT's Advanced Voice Mode and is used by developers at OpenAI, xAI, Salesforce, Tesla, and Spotify, collectively facilitating billions of real-time calls each year.

- **Founded:** 2021
- **Headquarters:** San Francisco, California, United States
- **Founders:** Russ d'Sa (Co-founder & CEO), David Zhao (Co-founder & CTO)
- **Team size:** ~120 employees
- **Products:** LiveKit Agents, LiveKit Media Server (Open Source), LiveKit Cloud, SDKs, LiveKit Inference
- **Notable:** Reached a $1 billion valuation in January 2026 with a $100M Series C., Selected as the real-time infrastructure behind ChatGPT's Advanced Voice Mode., Grew to 300,000+ developers building on the platform.

## Products & services

- **LiveKit Agents** — Open-source framework for building custom voice, video, and multimodal AI agents, including session management, turn detection, and interruption handling.
- **LiveKit Media Server (Open Source)** — Scalable WebRTC selective forwarding unit and media server written in Go for real-time audio, video, and data.
- **LiveKit Cloud** — Managed global edge network with region pinning and low-latency media routing, billed per concurrent session.
- **SDKs** — Client and server SDKs across web, mobile (iOS, Android, React Native), and backend languages for real-time media.
- **LiveKit Inference** — Model routing across STT, TTS, and LLM providers for voice AI pipelines.
- **Agent Observability** — Session replays, traces, and transcripts for debugging and monitoring deployed agents.
- **Telephony / PSTN** — SIP and carrier integrations that bring voice agents onto phone networks.

## Achievements

- Reached a $1 billion valuation in January 2026 with a $100M Series C.
- Selected as the real-time infrastructure behind ChatGPT's Advanced Voice Mode.
- Grew to 300,000+ developers building on the platform.
- Attracted angel backing from Jeff Dean, Elad Gil, Aravind Srinivas, and Amjad Masad.
- Built an open-source WebRTC stack adopted by leading AI and robotics labs.

## Latest updates

- **2026-01** — Raised $100M Series C led by Index Ventures at a $1B valuation.
- **2026-01** — Announced roadmap: serverless agent deployment, Agent Observability, and LiveKit Inference model routing.
- **2026-01** — Disclosed Tesla and Salesforce Agentforce among enterprise voice AI deployments.

## Links

- Website: https://livekit.io
- LinkedIn: https://www.linkedin.com/company/livekitco
- Twitter/X: https://twitter.com/livekit
- GitHub: https://github.com/livekit
- YouTube: https://www.youtube.com/@livekitio

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Profile page: https://yespress.io/livekit
Published by YesPress — https://yespress.io
Last updated: 2026-07-14