/Companies

Airtrain AI

DefunctYC S22

San Francisco, US · Founded 2022 · 5 employees · 8 known investors

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Airtrain AI provides a no-code platform for preparing and evaluating training data to fine-tune open-source language models as alternatives to proprietary AI models. The platform serves AI practitioners seeking to reduce costs and improve reliability when deploying language models in production.

Also known as SEMATIC AI, INC. · Sematic · Sematic AI · Sematic AI, Sematic

Founders & leadership· Y Combinator alumni (S22)

Airtrain AI was founded in 2022 by Emmanuel Turlay.

ETEmmanuel Turlay
Emmanuel TurlayFounder & CEO2022–2025Emmanuel Turlay conducted particle physics research at CERN before transitioning to tech roles including order and payment infrastructure engineering at Instacart and ML platform leadership at Cruise. He is CEO and co-founder of Sematic.

Investors · 8

Fundament Syndicatereported

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Leonis CapitalreportedSan Francisco

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Peter Gao Capital LPreportedSeattle

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PioneerreportedToronto, Ontario

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Race CapitalreportedPalo Alto · $250K – $2M

How we know: a partner's Signal profile · funding news · the VCSheet dataset · Y Combinator's founder network · Not right? Tell us

Soma CapitalreportedSacramento · $100K – $300K

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South Quadreported

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Companies working in the same space as Airtrain AI.

Legal entities · 1

corporate structure
SEMATIC AI, INC.

In the news

Frequently asked questions

What does Airtrain AI do?
Airtrain AI provides a no-code platform for preparing and evaluating training data to fine-tune open-source language models as alternatives to proprietary AI models. The platform serves AI practitioners seeking to reduce costs and improve reliability when deploying language models in production.
Who founded Airtrain AI?
Airtrain AI was founded by Emmanuel Turlay in 2022.
Who are Airtrain AI's investors?
Airtrain AI's investors include Y Combinator, Fundament Syndicate, Leonis Capital, Peter Gao Capital LP, Pioneer, Race Capital, Soma Capital, South Quad.
Where is Airtrain AI headquartered?
Airtrain AI is headquartered in San Francisco, US.