PerfectBit, Inc. (YC Spring 2026)

TL;DR: PerfectBit, Inc. is a Y Combinator Spring 2026 startup Correct by construction AI training data, currently active with a team of 2.

Correct by construction AI training data

YC ID
31333
YC Batch
Spring 2026
Status
Active
Team size
2
Industry
B2B
YC profile
https://www.ycombinator.com/companies/perfectbit-inc

Last verified:

We create a new kind of data for training AI models. Most LLMs are pre-trained on noisy web-scraped text, but they hallucinate and still fail on tasks that humans find trivial. PerfectBit creates high-quality training data that's correct by construction. We verify against physics simulators, scientific databases, formal proof systems. LLMs, robotics, AI for Science, and more.

Frequently asked questions

Is PerfectBit, Inc. a YC (Y Combinator) company?

Yes. PerfectBit, Inc. was funded by Y Combinator in the Spring 2026 batch. Correct by construction AI training data

What does PerfectBit, Inc. do?

We create a new kind of data for training AI models. Most LLMs are pre-trained on noisy web-scraped text, but they hallucinate and still fail on tasks that humans find trivial. PerfectBit creates high-quality training data that's correct by construction. We verify against physics simulators, scientific databases, form…

What YC batch was PerfectBit, Inc. in?

PerfectBit, Inc. was part of Y Combinator's Spring 2026 batch.

How big is PerfectBit, Inc.?

PerfectBit, Inc. has a team of 2 people according to Y Combinator's directory.

Is PerfectBit, Inc. still active?

PerfectBit, Inc. is currently listed as Active with a team of 2 in Y Combinator's directory.

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