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LiveKit

Real-time voice, video, and AI infrastructure — the engine behind ChatGPT voice mode.
AI 📍 San Francisco, USA Founded 2021
Current Valuation
$1.0B
as of 2026-Q1
UNICORN
LiveKit is the open-source real-time infrastructure for voice, video, and AI — powering OpenAI's ChatGPT voice mode and a broad range of multimodal AI agents. Its stack spans the open-source WebRTC SDKs, LiveKit Cloud (a global media network), the LiveKit Agents voice-AI framework, and SIP / telephony. Raised a $100M Series C in January 2026 led by Index Ventures at a $1B valuation (unicorn), following a $45M Series B at $345M in April 2025.

Company Profile

CEO
Russ D'Sa
Founded
2021
HQ
San Francisco, USA
Employees
~100
Total Raised
$183M
Last Round
Series C — $100M (Jan 2026) · Lead: Index Ventures
IPO Status
private

Fundraising Status

Series C · $100M · 5 mo ago
privateTotal raised $183M2 disclosed rounds

Growth & Valuation

Valuation across funding rounds
Valuation growth across funding rounds$345M$1.0BApr '25Jan '26
Capital raised per round
Capital raised per funding round$45MSeries B$100MSeries C
Charts built from publicly disclosed funding rounds and revenue estimates. Approximate, not real-time, not investment advice.

Funding History

RoundAmountDateLead InvestorPost-Money
Series C$100MJan 2026Index Ventures$1.0B
Series B$45MApr 2025Altimeter Capital$345M

Founders & Key People

Russ D'SaDavid Zhao

Investors

Index Ventures · Altimeter Capital · Redpoint Ventures · Salesforce Ventures · Hanabi Capital

Products

  • LiveKit Cloud
  • LiveKit Agents (voice AI framework)
  • Open-source WebRTC SDKs
  • SIP / telephony

Competitors

Daily · Agora · Twilio · Vonage · Pipecat
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Private-company numbers are not real-time. Reflects publicly disclosed valuations from press releases, news reports, and tender offers as of 2026-Q1. Refreshed quarterly.