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Clef Flash

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Cloudflare releases open-weight Clef decision models to rival TypeSafe's Jev

Cloudflare has released two open-weight models, Clef and Clef-flash, built for structured decision tasks like yes/no answers, multiple-choice, and ranking. The models use frozen, post-trained versions of Qwen backbones, support images, video, and a 64K context window, and are downloadable via Hugging Face.

tech.slashdot.org · 2026-10-01

Cloudflare releases open-source Clef and Clef-flash decision models

Cloudflare has launched Clef and Clef-flash, two decision models hosted on Workers AI and compatible with the Jev API. The company says Clef currently leads the Jev Decision Index benchmark, and both models are open-sourced on Hugging Face under an Apache 2.0 license. Cloudflare also introduced a reinforcement learning product that lets customers fine-tune Clef for their own use cases.

blog.cloudflare.com · 2026-10-01