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/dev/fast

YC W26

San Francisco, US · Founded 2025 · 4 employees · 10 known investors

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/dev/fast is an AI-native code review platform that enables developers to review pull requests 10x larger in half the time by focusing on architecture rather than implementation details. It uses AI agents to reduce mean time-in-review by 2x while optimizing token costs, and includes a git server built on object storage for reliability.

Also known as Carson · Fix.Fast · Workable Solutions Inc. · Workable Solutions Inc., Fix.Fast, Carson

AI & Machine LearningDeveloper ToolsEnterprise SoftwareUnited States of AmericaAmerica / Canada

Founders & leadership· Y Combinator alumni (W26)

/dev/fast was founded in 2025 by Sid Menon, Ketan Agrawal, Milan Bhandari, and Alex Iansiti.

SMSid Menon
Sid MenonCEOSid Menon previously worked at Palantir and studied at Harvard. He is now building developer infrastructure.
KAKetan Agrawal
Ketan AgrawalFounderKetan Agrawal has worked on AI and machine learning engineering at Snowflake and Robust Intelligence, and studied symbolic systems and computer science at Stanford. He is currently building an AI-native development platform.
MBMilan Bhandari
Milan BhandariCTOMilan Bhandari studied computer science at Harvard, graduated in 2021, and previously worked at Palantir and co-founded Bolto, a Y Combinator-backed company from the S23 batch. He is now building /dev/fast.
AIAlex Iansiti
Alex IansitiCPOAlex Iansiti previously worked at Flowcode and Pinterest, and holds a degree in computer science from Harvard University (2021). He is now building generative UI tools at /dev/fast.

Investors · 10

Agrolimen Venturesreported

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Amino CapitalreportedPalo Alto · $100K – $10M

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Blast.Clubreported$5.5M

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Founders FactoryreportedLondon · $150K – $200K

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Multifaceted CapitalreportedSeattle

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Phoenix FundreportedNew York

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RobinhoodreportedMenlo Park

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VentoreportedTorino · $165K – $1.1M

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Verified CapitalreportedSan Francisco

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Related companies · 5

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Wild MooseWild Moose builds an AI-powered on-call copilot that automates root cause analysis for production incidents, designed for engineering teams in fast-moving environments. The platform reduces investigation time and helps organizations resolve incidents faster while reducing the on-call burden on engineers.
ChimaChima builds AI and data-driven solutions for marketing and business performance, founded by award-winning researchers with expertise in AI technology.
CloudthreadCloudThread helps engineering teams optimize and manage cloud computing costs as a core operational metric. The company focuses on bringing visibility and efficiency to cloud infrastructure spending.

Companies working in the same space as /dev/fast.

Legal entities · 1

corporate structure
Workable Solutions Inc.

In the news

Carson: More secure than OpenClaw, More capable than Coworkycombinator.com · Feb 2026

Frequently asked questions

What does /dev/fast do?
/dev/fast is an AI-native code review platform that enables developers to review pull requests 10x larger in half the time by focusing on architecture rather than implementation details. It uses AI agents to reduce mean time-in-review by 2x while optimizing token costs, and includes a git server built on object storage for reliability.
Who founded /dev/fast?
/dev/fast was founded by Sid Menon, Ketan Agrawal, Milan Bhandari, Alex Iansiti in 2025.
Who are /dev/fast's investors?
/dev/fast's investors include Y Combinator, Agrolimen Ventures, Amino Capital, Blast.Club, Founders Factory, Multifaceted Capital, Phoenix Fund, Robinhood and 2 more.
Where is /dev/fast headquartered?
/dev/fast is headquartered in San Francisco, US.