Who founded PerfectBit, Inc.?

PerfectBit, Inc. was founded by Seiji Yamamoto, Peter Vajda in 2026.

Who are PerfectBit, Inc.'s investors?

PerfectBit, Inc.'s investors include Imagination Capital, Y Combinator, ZAKA VC.

Where is PerfectBit, Inc. headquartered?

PerfectBit, Inc. is headquartered in San Francisco, US.

PerfectBit, Inc.

YC X26

San Francisco, US · Founded 2026 · 3 employees · Hiring · 3 known investors

Find your way into PerfectBit, Inc.

1,669 people in our graph share verified history with the PerfectBit, Inc. team — schools, employers, funds. One of them is your warm intro.

Ken Chenaultunlockedknows Seiji Yamamoto · together at Facebook (overlapped)

×6knows the team · via Stanford University

×2knows the team · via Facebook

×2knows the team · via Salesforce

knows the team · via Vrije Universiteit Amsterdam (VU Amsterdam)

Perfectbit generates high-quality, information-dense synthetic data for AI model training using formal proof systems, simulators, and executable tests rather than human annotation. The company serves foundation model developers and AI teams seeking to improve model performance through trustworthy, physics-informed data.

Also known as Gikl, Inc · PerfectBit

Advanced Manufacturing AI & Machine Learning Data & Infrastructure Enterprise Software Robotics Artificial Intelligence Machine LearningUnited States of AmericaAmerica / Canada

Founders & leadership· Y Combinator alumni (X26)

PerfectBit, Inc. was founded in 2026 by Seiji Yamamoto and Peter Vajda.

Seiji Yamamoto inco-Founder and co-CEOSeiji Yamamoto spent nine years at Meta as a Senior Staff Research Scientist, focusing on large language model development, inference optimization, speech models, and computer vision. He holds a PhD in Physics with published research in top-tier journals and completed postdoctoral work at a national laboratory.

Peter Vajda inCo-Founder and Co-CEOPeter Vajda spent 11 years at Meta as Director of Media Generation, overseeing foundation model research and development across text-to-image, image editing, video generation, and on-device computer vision systems. He also held an Assistant Professor position at Stanford University.

Investors · 3

Imagination CapitalNew York · $100K – $150K

Y CombinatorSan Francisco · $500K

ZAKA VCSan Francisco

Competitors · 2

by search overlap

Jitterbit3 shared keywordsJitterbit provides an integration platform-as-a-service (iPaaS) for organizations to integrate, orchestrate, and automate business processes across systems through its suite of products including API management, app building, and EDI capabilities.

Drillbit3 shared keywordsDrillbit provides an AI-powered customer acquisition and job booking system for trade businesses and franchise networks. The platform automates lead generation, scheduling, and follow-up without requiring CRM changes or additional staff, delivering results within existing business systems.

Companies competing with PerfectBit, Inc. for the same Google search keywords, organic and paid, via search-intersection analysis.

In the news

PerfectBit: AI Training data, correct by constructionycombinator.com · May 2026

Frequently asked questions

What does PerfectBit, Inc. do?: Perfectbit generates high-quality, information-dense synthetic data for AI model training using formal proof systems, simulators, and executable tests rather than human annotation. The company serves foundation model developers and AI teams seeking to improve model performance through trustworthy, physics-informed data.
Who founded PerfectBit, Inc.?: PerfectBit, Inc. was founded by Seiji Yamamoto, Peter Vajda in 2026.
Who are PerfectBit, Inc.'s investors?: PerfectBit, Inc.'s investors include Imagination Capital, Y Combinator, ZAKA VC.
Where is PerfectBit, Inc. headquartered?: PerfectBit, Inc. is headquartered in San Francisco, US.