FireTofu
Introducing Clef: our open-source decision models, and new RL fine-tuning platform

Technology · en

Introducing Clef: our open-source decision models, and new RL fine-tuning platform

Cloudflare Blog · Official source · Oct 1, 2026, 3:34 PM UTC

We are introducing Clef and Clef-flash, open-source decision models hosted on Workers AI for high-speed classification and agentic workflows. Also launching: a new reinforcement learning platform that allows developers to fine-tune decision models using their own data.