LiveKit secures $100 million Series C funding at $1 billion valuation for voice AI platform
San Francisco, CA – January 22, 2026 — LiveKit announced a $100 million Series C funding round at a $1 billion valuation to build infrastructure for voice AI agents. The investment, led by Index Ventures with participation from Salesforce Ventures, Hanabi Capital, Altimeter and Redpoint, will enhance realtime voice and video capabilities for developers building voice-first AI applications.
Announcement Specifics
LiveKit closed its Series C on January 22, 2026, achieving unicorn status at a $1 billion valuation. The round follows the company’s $45 million Series B announced in April 2025 and $22.5 million Series A in June 2024. Funds will target scaling realtime transport and orchestration infrastructure for voice-first AI applications. The platform currently powers over 100,000 agents at scale.
Stakeholder Perspective
“We learn to speak before we learn to read. Voice is the most natural interface we have. We just raised a $100M to make building voice AI as easy as a web app.”
— LiveKit, Company Statement
Why it matters: The statement underscores LiveKit’s strategy to democratize voice AI development by simplifying infrastructure complexity as market demand accelerates.
“LiveKit just announced its Series C: $100M raised at a $1B valuation, led by Index Ventures, with Salesforce Ventures, Hanabi Capital, Altimeter, and Redpoint participating. This is one of the most important layers in the voice-first stack: realtime transport + orchestration.”
— Piyush Gambhir, Industry Observer
Why it matters: The comment highlights investor confidence in LiveKit’s positioning as critical infrastructure in the emerging voice AI technology stack.
Industry Context
Voice AI infrastructure funding accelerated significantly in early 2026. Deepgram raised $130 million at a $1.3 billion valuation on January 13, 2026, for international expansion. ElevenLabs is pursuing an $11 billion valuation. Gradium secured $70 million in seed funding in December 2025 to position voice as AI’s universal interface. The convergence of investments signals industry maturation as multimodal AI agents transition from experimental to production environments. LiveKit positions itself as essential infrastructure for the AGI-era interface layer, where voice-first interactions are expected to dominate human-computer engagement.
Conclusion
LiveKit’s unicorn round signals voice AI infrastructure maturation in a crowded but rapidly expanding market. The company is expected to deploy funds toward expanded developer tools, strategic partnerships, and scaled agent deployments, accelerating the adoption of natural language interfaces across enterprise and consumer applications.
Sources: PYMNTS, LiveKit (X), Piyush Gambhir (X), X, LiveKit Blog, Hacker News
