Reactor

Summary active Updated May 30, 2026

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Location San Francisco, CA
Latest Stage Series A
Total Raised $59M
Website https://reactor.com/
Sector
ai generative-video world-models developer-tools ai-infrastructure physical-ai entertainment

Founders

Alberto Taiuti Co-Founder & CEO
Bryce Schmidtchen Co-Founder & CTO

About

Reactor is a San Francisco-based real-time generative-video infrastructure company that emerged from stealth May 28, 2026; co-founders Alberto Taiuti (CEO, former Luma AI CTO and Apple Vision Pro technical lead) and Bryce Schmidtchen (CTO, also a former Apple Vision Pro technical lead) are building a unified SDK and API that makes real-time world models accessible to developers for interactive AI applications across media/entertainment, physical AI, and robotics 123. AWS partners with Reactor to provide compute infrastructure and global distribution for real-time generative-video workloads, and Jeffrey Katzenberg joins as a board observer through his WndrCo holding company 12. The $59M Series A was led by Lightspeed Venture Partners with participation from WndrCo, Amplify Partners, Sky9 Capital, FPV Ventures, and Abstract Ventures 123.

Funding History

Date Round Amount Lead Co-investors
2026-05-28 Series A $59M Lightspeed Venture Partners WndrCo, Amplify Partners, Sky9 Capital, FPV Ventures, Abstract Ventures 123

What Investors Say

No independently sourced investor quotes found at this time.

What Founders Say

No independently sourced founder quotes found at this time.

Sources

  1. PR Newswire, “Reactor Emerges from Stealth with $59M to Build the Platform for Real-Time AI Worlds,” May 28, 2026. Accessed May 2026. https://www.prnewswire.com/news-releases/reactor-emerges-from-stealth-with-59m-to-build-the-platform-for-real-time-ai-worlds-302783715.html↩↩↩↩

  2. Variety, “Real-Time AI Video Startup Reactor Raises $59M From Jeffrey Katzenberg, Other Investors,” May 28, 2026. Accessed May 2026. https://variety.com/2026/digital/news/reactor-real-time-ai-video-funding-jeffrey-katzenberg-1236755883/↩↩↩↩

  3. AWS Press Center, “Reactor Emerges from Stealth with $59M to Build the Platform for Real-Time AI Worlds,” May 2026. Accessed May 2026. https://press.aboutamazon.com/aws/2026/5/reactor-emerges-from-stealth-with-59m-to-build-the-platform-for-real-time-ai-worlds↩↩↩