DEPLOYDatabase

Company

Reactor

San Francisco startup building real-time inference infrastructure for world models and interactive video models, used to run robot policies and closed-loop…

Status
Private

Overview

San Francisco startup building real-time inference infrastructure for world models and interactive video models, used to run robot policies and closed-loop simulators.

Reality check

Performance (company-claimed)

60+ frames per second at under 40 ms latency.

Verified record

Verified deployments
None on file
Active incidents
None on file

Key facts

Series A extension (company-stated, Oct 2026)

NVIDIA and Sapphire Ventures joined its Lightspeed-led Series A on Oct 5 2026. Amount undisclosed.

Total funding (reported, Oct 2026)

About $74M, per Fortune, which says NVIDIA invested via NVentures.

Product (company-stated)

Real-time inference infrastructure for world models and interactive video models.

Customer use (company-stated)

Running robot policies and world models in the cloud, and as closed-loop simulators for training and evaluation.

Leadership

CEO Alberto Taiuti co-founded Luma AI and was its CTO; CTO Bryce Schmidtchen previously worked on Apple Vision Pro.

Hardware plans (reported, Oct 2026)

Plans to buy robot hardware, per Fortune.

Data & sources

Web sources

3

3 sources backing this record.View all →

Safety record

No incidents on record for Reactor.

Only active incidents are counted. Retracted incidents are excluded from this summary but remain reachable at their canonical URLs.

Full safety record: incidents, sourcing, and exposure data →

Recent coverage

Reactor in third-party press