Cloudflare open-sources Clef decision models and introduces an RL fine-tuning service

What changed

Cloudflare released Clef and Clef-flash on October 1 as decision models hosted on Workers AI and open-sourced under Apache 2.0. The models are Jev-API compatible and emit bounded structured probabilities; Clef also adds a vision encoder and a 64K context window. Cloudflare is also launching a hands-on reinforcement-learning fine-tuning service, with a self-service platform planned later. Benchmark leadership claims are Cloudflare's own evaluations.