Communications, real-time media and artificial intelligence infrastructure company LiveKit Inc. revealed today that it has raised $100 million in new funding on a $1 billion valuation.
The funding will be used to accelerate the expansion of its real-time voice, video and AI developer platform by building out new compute, storage and network services and to scale up its infrastructure for voice-driven and computer vision-driven applications.
Founded in 2021, LiveKit began as an open-source project to make building real-time audio and video applications significantly easier for developers, with the company formed to commercialize the technology through a managed cloud platform and enterprise-grade services.
LiveKit offers a real-time media server and WebRTC-based framework that routes audio, video and data between participants with ultra-low latency. LiveKit’s infrastructure includes a Selective Forwarding Unit, which efficiently passes media streams among users without unnecessary decoding or re-encoding so it can keep latency and bandwidth usage down.
The company also provides client software development kits and application programming interface for building interactive apps across platforms, from web browsers to mobile and cross-platform frameworks like Flutter and Unity. The SDKs are designed to make it easy to integrate real-time audio and video features into applications such as video conferencing, live streaming and collaborative tools, without the need to build the underlying media stack from scratch.
Other services offered by LiveKit include AI-integrated real-time experiences, such as voice-enabled agents and multimodal applications. With LiveKit’s Agent Framework, developers can attach Python or Node.js programs to LiveKit rooms as participants to enable interactive AI behaviors like voice assistants that process speech and respond in real time.
LiveKit’s platform is used by thousands of developers and teams across industries, including powering ChatGPT’s Advanced Voice Mode to enable low-latency streaming and robotics applications. Other LiveKit customers include xAI Inc., Meta Platforms Inc. and Spotify Technology SA.
Index Ventures Management led the Series C round, with Salesforce Ventures, Hanabi Capital, Altimeter Capital Management LP and Redpoint Ventures LP also participating.
“What stands out most to us is the team’s developer-first ethos. LiveKit doesn’t just make real-time AI possible; it makes it accessible, composable and scalable for teams of all sizes,” Salesforce Ventures said in a welcome post.
Prior to the new funding, LiveKit had raised $83 million over three rounds, according to data from Tracxn, taking the total now raised by the company to $183 million.
Image: LiveKit
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