Fueling the future of generative worlds.
Location: United States
Total raised: $59M
Investors 1
| Date | Name | Website |
| 01.02.2026 | Hawk Hill ... | hawkhill.v... |
Funding Rounds 1
| Date | Series | Amount | Investors |
| 29.05.2026 | - | $59M | Lightspeed... |
Mentions in press and media 4
| Date | Title | Description |
| 03.06.2026 | Reactor Unveils Real-Time AI Platform with $59M Funding | Reactor, a San Francisco firm, emerged from stealth with $59M in funding. Lightspeed led the round. The company delivers a crucial developer platform. It specializes in real-time generative video. Its infrastructure powers interactive AI wo... |
| 29.05.2026 | Reactor Raises $59M in Funding | Reactor, a San Francisco, CA-based company providing a developer platform for real-time generative video, raised $59M in funding. The round was led by Lightspeed Venture Partners, with participation from WndrCo, Amplify Partners, Sky9 Capit... |
| 28.05.2026 | Reactor Emerges from Stealth with $59M to Build the Platform for Real-Time AI Worlds | Funding led by Lightspeed with participation from WndrCo, Amplify Partners and others, Reactor provides the infrastructure layer for real-time generative video SAN FRANCISCO, May 28, 2026 /PRNewswire/ -- Reactor, the developer platform for ... |
| - | Reactor | “Reactor is the developer infrastructure for real-time generative media. Fastest inference anywhere, sub-50ms streaming, every major world model on one API.” |