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Autumn AI

YC W26

San Francisco, US · Founded 2025 · 2 employees · 9 known investors

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10,333 people can intro you to Vishnu

Ask Ende Shen to introduce you to Vishnu Sampathkumar

You →Ende · together at Modulus Labs →Vishnu

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Autumn AI identifies early-stage startup founders and companies through signals like incorporation filings, GitHub activity, social media follows, and hiring pages before they appear in public directories. The platform helps companies like Brex discover and prioritize emerging founders.

Also known as Chiral Labs

AI & Machine LearningData & InfrastructureDeveloper ToolsEnterprise SoftwareUnited States of AmericaAmerica / Canada

Founders & leadership· Y Combinator alumni (W26)

Autumn AI was founded in 2025 by Vishnu Sampathkumar and Shiv Kampani.

VSVishnu Sampathkumar
Vishnu SampathkumarCo-Founder, CEOFounder and CEO of Autumn AI, which identifies early-stage startup founders and companies through signals including incorporation filings, GitHub activity, and hiring patterns.
SKShiv Kampani
Shiv KampaniCo-founder, CTOCo-founder and CTO of Autumn AI, a platform that identifies early-stage startup founders and emerging companies through incorporation filings, GitHub activity, and hiring signals.

Investors · 9

Amino CapitalreportedPalo Alto · $100K – $10M

How we know: Y Combinator's founder network · Not right? Tell us

HaystackreportedSan Francisco · $1M – $3M

How we know: Y Combinator's founder network · Not right? Tell us

Metsu Capitalreported

How we know: Y Combinator's founder network · Not right? Tell us

Nexus Venture PartnersreportedMenlo Park · $500K – $10M

How we know: Y Combinator's founder network · Not right? Tell us

Phosphor Capitalreported

How we know: Y Combinator's founder network · Not right? Tell us

Rebel FundreportedSan Francisco · $100K – $5M

How we know: Y Combinator's founder network · Not right? Tell us

RobinhoodreportedMenlo Park

How we know: Y Combinator's founder network · Not right? Tell us

Sandwith Ventures, LLCreported

How we know: Y Combinator's founder network · Not right? Tell us

Related companies · 1

AutumnAutumn provides usage tracking, gating, and billing infrastructure for software companies. It serves as a centralized platform handling both self-serve and enterprise payment models.

Companies working in the same space as Autumn AI.

In the news

Autumn AI: Stalk your prospects at scale.ycombinator.com · Feb 2026Autumn AI Funding | Complete Analysis | Extruct AIextruct.ai

Frequently asked questions

What does Autumn AI do?
Autumn AI identifies early-stage startup founders and companies through signals like incorporation filings, GitHub activity, social media follows, and hiring pages before they appear in public directories. The platform helps companies like Brex discover and prioritize emerging founders.
Who founded Autumn AI?
Autumn AI was founded by Vishnu Sampathkumar, Shiv Kampani in 2025.
Who are Autumn AI's investors?
Autumn AI's investors include Y Combinator, Amino Capital, Haystack, Metsu Capital, Nexus Venture Partners, Phosphor Capital, Rebel Fund, Robinhood and 1 more.
Where is Autumn AI headquartered?
Autumn AI is headquartered in San Francisco, US.