# Reactor funding rounds and investors

As of 14 Oct 2026, Reactor has raised $59M across 1 verified round on record; latest: $59 million Series A led by Lightspeed, announced 28 May 2026.

A provider of a developer platform for real-time generative video and world models

Website: https://www.reactor.inc/  
Headquarters: San Francisco, CA  
Page: https://fireround.dev/companies/reactor-3

## Verified rounds

| Announced | Round | Amount | Lead investors | Other investors | Sources |
| --- | --- | --- | --- | --- | --- |
| 2026-05-28 | Series A | $59 million | Lightspeed | Abstract, Amplify Partners, FPV Ventures, Sky9 Capital, Wndrco | [reactor.inc](https://www.reactor.inc/blog/reactor-launch), [prnewswire.com](https://www.prnewswire.com/news-releases/reactor-emerges-from-stealth-with-59m-to-build-the-platform-for-real-time-ai-worlds-302783715.html), [fortune.com](https://fortune.com/2026/10/05/nvidia-backs-startup-reactor-buzz-grows-world-models) |

Source: Fireround (https://fireround.dev), an open-source funding feed. Each round is checked against the pages listed with it.