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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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Cloudflare

@cloudflare

Connectivity-cloud company. Its Workers AI team released the Clef decision models as open weights and on Workers AI.

www.cloudflare.com Joined October 2026

1model

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

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Models 1 Builds 0

clefCloudflare

Cloudflare's open-weight 27B multimodal decision model, post-trained from Qwen3.8-27B. A joint schema head scores every option of every noul, choice and score question in one prefill-only pass over text, JSON, images or video. Also hosted on Workers AI.

209 ms27Bapache-2.0Hosted API

choice · score · noul 0 03 hours ago