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Flow Engineering Raises $50M at $750M Valuation for AI Hardware-Development Agents

September 30, 2026 at 17:11 EDT

AI Agents
Funding & M&A
Manufacturing

Flow Engineering has raised a $50 million Series B at a $750 million valuation, positioning its AI agents as infrastructure for the next wave of complex hardware development. The San Francisco-based company said Roelof Botha also made a personal investment and joined its board as an independent director, while new capital will go toward review, branching, evaluation and security controls for live engineering programs.

Sept. 30, 2026 | Flow Engineering

AI agents move into hardware verification

Flow raised a $50 million Series B at a $750 million valuation to expand an agentic systems-engineering platform for complex hardware programs.

$50M

Series B round

$750M

valuation

96%

customers inbound

months of Rivian growth

Rivian adoption scaled 37.5x

initial users

1,500

users after 7 months

Each block represents roughly 40 users.

What the agents do

Change detected

Impact traced

Tests reopened

Evidence verified

Why teams are adopting

Hardware teams want requirements, CAD, simulation, code and tests connected in one system so changes can be checked continuously.

What could slow rollout

Integrations, certification workflows and entrenched enterprise toolchains remain hard parts of deployment in regulated hardware programs.

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