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System One

The developer platform for System One models. Find, compare, pull, fine-tune and publish models that return decisions.

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ORGANIZATION

Yuichi Tateno (hotchpotch)

@hotchpotch

Personal project of Yuichi Tateno, a software engineer in Japan, who publishes Bekko System One, ultra-small encoder decision models, and the S1MB benchmark.

hotchpotch.dev Joined October 2026

1model

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System One lists Yuichi Tateno (hotchpotch)’s public models here, with their original licences, until someone from Yuichi Tateno (hotchpotch) runs this page. It is not Yuichi Tateno (hotchpotch)’s own account.

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Models 1 Builds 0

bekko-system-oneYuichi Tateno (hotchpotch)

Ultra-small English encoders (17M, 68M and 395M) fine-tuned from Ettin rerankers. Each answers choice, noul and score questions with a probability per candidate and no generated text. Experimental v0 by one developer; the weights have no licence assigned yet.

5 ms395Mother

choice · noul · score 0 03 hours ago