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Freesolo

YC X25

San Francisco, US · Founded 2025 · 4 employees · 8 known investors

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Flash is a platform that trains custom machine learning models for AI agents using user-provided data. It offers fixed-price training runs with downloadable model weights that can be deployed anywhere, positioned as a cheaper and faster alternative to frontier models for routine inference tasks.

Also known as Linkd Inc. · Clado · Linkd · Linkd, Clado, Freesolo, Clado

AI & Machine LearningDeveloper ToolsEnterprise SoftwareReinforcement LearningB2BAIUnited States of AmericaAmerica / Canada

Founders & leadership· Y Combinator alumni (X25)

Freesolo was founded in 2025 by Eric Mao and Tom Zheng.

EMEric Mao
Eric MaoCo-Founder & CEOEric Mao studied computer science and business at the University of Pennsylvania.
TZTom Zheng
Tom ZhengCo-FounderTom Zheng is a cofounder of Freesolo, a company focused on automating model training.

Investors · 8

Andreessen HorowitzreportedMenlo Park · $500K – $50M

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

Basis Set VenturesreportedSan Francisco · $1M – $3M

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

Cory Levyreported

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

Goodwater CapitalreportedBurlingame · $5M – $50M

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

Karman VenturesreportedAustin · $100K – $500K

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

Script CapitalreportedSan Francisco · $250K – $500K

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

The Riverside CompanyreportedCleveland

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

Related companies · 4

MonteMonte builds post-training and continual learning infrastructure that transforms general AI models into specialized agents adapted to specific organizational workflows. The platform captures training signals from real work, measures performance against actual constraints, and enables reinforcement learning so models improve continuously from experience.
SylvianSylvian provides tools for organizations to create AI agents tailored to specific business tasks and workflows.
TopologicalTopological develops physics-based foundation models for CAD optimization to help hardware engineering teams accelerate their design and optimization workflows. The platform generates efficient designs for complex mechanical problems by understanding physics, geometry, and manufacturability constraints.
UnifyUnify provides AI agents that handle routine business tasks across communications, sales, operations, and engineering by executing pre-built workflows or custom automation. The service serves tech-focused companies and teams looking to offload administrative and repetitive work.

Companies working in the same space as Freesolo.

Legal entities · 1

corporate structure
Linkd Inc.

In the news

Freesolo: Post-Training Built for your Agentycombinator.com · Jul 2026Clado: Deep Research for Peopleycombinator.com · May 2025

Frequently asked questions

What does Freesolo do?
Flash is a platform that trains custom machine learning models for AI agents using user-provided data. It offers fixed-price training runs with downloadable model weights that can be deployed anywhere, positioned as a cheaper and faster alternative to frontier models for routine inference tasks.
Who founded Freesolo?
Freesolo was founded by Eric Mao, Tom Zheng in 2025.
Who are Freesolo's investors?
Freesolo's investors include Y Combinator, Andreessen Horowitz, Basis Set Ventures, Cory Levy, Goodwater Capital, Karman Ventures, Script Capital, The Riverside Company.
Where is Freesolo headquartered?
Freesolo is headquartered in San Francisco, US.