Reactor

The Developer Platform for World Models.

Latest funding

$59M Series A · May 28, 2026

Latest round on record: Series A, June 2026, amount undisclosed.

Website: reactor.inc.

X: @reactorworld · 9,774 followers.

LinkedIn: reactor-world.

Categories: Foundation models and research Developer tools and cloud.

Sectors: AI.

Subcategory: Developer infrastructure.

Stage: Series A.

Last round: Jun 14, 2026 · 151 days ago.

On Recent Funding since: May 28, 2026.

Signals

X account@reactorworld · created Nov 11, 2025 (12 months old) · 9,774 followers

Website registeredApr 25, 2025 (19 months old)

TIMELINE · MONEY RAISED

@reactorworld·Raised $59M in 1 sourced round·2 signals before the first raise

Money raised, round by round (amounts linked to their source). Pins are dated signals; hover the icons for dates.

June 14, 2026
Series A · amount undisclosed
Source: fundraisingfox.com
May 28, 2026
Series A · $59M
LLightspeed (lead), AAmplify Partners, SSky9 Capital
Source: Yahoo Finance
November 11, 2025
X account created
April 25, 2025
Website created

Sources and API

Every amount links to the page it came from. * Estimated from an accelerator's published standard deal, not a company-specific disclosure. How Recent Funding sources and verifies funding data. The same data as JSON: /api/v1/companies/reactor (get a free API key).