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    Cajal

    Winter 2026
    Active

    Scaling formal verification to accelerate scientific discovery

    2 people View on YC

    Cajal at a glance

    Y Combinator batch
    Winter 2026
    Status
    Active
    Industry
    B2B
    Team size
    2 people
    Location
    Not recorded
    Website
    Not recorded

    Every field above comes from the Y Combinator company record. Nothing is estimated.

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    About Cajal

    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.

    Industries:
    B2B