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Cajal

Scaling formal verification to accelerate scientific discovery

Winter 2026B2B / B2BSan Francisco, CA, USA2 employees

About

Cajal (YC W26) is massively scaling formal verification to accelerate scientific discovery. We deploy superhuman AI mathematicians to high-impact applied domains, starting with quantum computing and finance. We do this with Lean - a framework that allows us to formally verify any mathematical statement, grounding AI in truth and validating the tools discovered by our systems.

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Founders (2)

Luke Johnston
Founder
Pedro Nobre
Founder

Details

Status
Active
Stage
Early
Team Size
2
Regions
United States of America, America / Canada