# LiveKit

**Source:** https://geo.sig.ai/brands/livekit  
**Vertical:** AI Infrastructure & Models  
**Subcategory:** Real-Time Communication  
**Tier:** Leader  
**Website:** livekit.io  
**Last Updated:** 2026-04-14

## Summary

Real-time voice and video infrastructure powering ChatGPT Voice Mode, xAI, Meta, and Spotify; raised $100M Series C at $1B valuation in Jan 2026; open-source WebRTC platform specifically engineered for low-latency AI applications.

## Company Overview

LiveKit is an open-source real-time audio and video infrastructure company providing the communication backbone for AI voice and video applications at scale. Founded to make production-grade real-time communication infrastructure accessible without the prohibitive cost and complexity of building it in-house, LiveKit developed a WebRTC-based platform optimized for the specific latency, reliability, and scale requirements of AI-powered voice and video experiences.\n\nLiveKit's platform handles the real-time transport layer for voice calls, video conferencing, and multimodal AI interactions — abstracting the complexity of WebRTC, TURN servers, codec optimization, and global distribution into a developer-friendly SDK. Its infrastructure is specifically engineered for the low-latency, high-reliability requirements of AI voice agents, where even 200ms of added latency degrades the conversational experience. The company provides SDKs for every major platform and has built a reputation as the most production-ready open-source option for real-time AI communication.\n\nLiveKit powers ChatGPT's Voice Mode, xAI's voice products, Meta, and Spotify — a client roster that validates its ability to operate at extreme scale and reliability. The company raised $100M in a Series C at a $1B valuation in January 2026, bringing total funding to $183M. As conversational AI products proliferate across consumer and enterprise applications, LiveKit's position as the de facto real-time infrastructure layer for AI voice gives it a durable and expanding role in the AI application stack.

## Frequently Asked Questions

### What does LiveKit power?
LiveKit provides real-time voice and video infrastructure used by ChatGPT's Advanced Voice Mode, xAI, Meta, and Spotify for low-latency audio/video streaming.

### How much has LiveKit raised?
LiveKit raised $100M in Series C at a $1B valuation in January 2026 led by Index Ventures, bringing total funding to $183M.

### Is LiveKit open source?
Yes, LiveKit's core framework is open-source and WebRTC-based, enabling developers to build real-time voice, video, and multimodal AI applications.

### What is LiveKit and what does it enable developers to build?
LiveKit is an open-source, real-time communication infrastructure platform that enables developers to add audio, video, and data streaming to their applications. Built on WebRTC with a scalable server-side architecture, LiveKit powers video conferencing, voice AI agents, live streaming, and collaborative real-time features in web and mobile apps.

### How does LiveKit support AI voice agent development?
LiveKit has become a popular platform for building real-time voice AI agents because it handles the low-latency audio streaming, noise cancellation, and turn detection that conversational AI requires. Developers can connect LLMs, text-to-speech, and speech-to-text services through LiveKit's Agents framework to build voice assistants that communicate naturally over phone calls, web apps, or IoT devices.

### Is LiveKit open source and what is its licensing model?
LiveKit's core server and client SDKs are open source under the Apache 2.0 license, allowing developers to self-host the infrastructure. LiveKit Cloud is a managed, fully hosted version offered as a SaaS product with usage-based pricing, providing developers the choice between self-managed and managed deployment.

### What client SDKs does LiveKit support?
LiveKit provides official client SDKs for JavaScript/TypeScript, Swift (iOS/macOS), Android/Kotlin, Flutter, React Native, Python, Go, and Unity. This broad SDK coverage makes LiveKit suitable for building real-time communication features across virtually any modern application platform.

### How does LiveKit handle scalability for large-scale deployments?
LiveKit uses a distributed server architecture with selective forwarding units (SFUs) that efficiently route audio and video streams without transcoding. The server scales horizontally across multiple nodes, and LiveKit Cloud automatically manages scaling for high-concurrency applications, supporting thousands of concurrent rooms and participants.

## Tags

ai-powered, b2b, infrastructure, saas

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*Data from geo.sig.ai Brand Intelligence Database. Updated 2026-04-14.*