Cloudflare open-sources Clef decision models, tops Jev Decision Index, unveils RL fine-tuning platform
michellechen · x · 2026-10-01
Cloudflare's Workers AI team released Clef and Clef-flash, two fast, structured-output decision models that top the Jev Decision Index and are Jev-API compatible. Weights are open-sourced under Apache 2.0 on Hugging Face, with hosted versions on Workers AI. The company also debuted an RL fine-tuning product built on AI Gateway, Containers and Workers AI for adapting Clef to custom use cases.
Related event: Cloudflare Open-Sources First In-House Decision Models Clef and Clef-flash(2 posts)→
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