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

What changed

Cloudflare released Clef and Clef-flash open-source decision models on Hugging Face and Workers AI, alongside an RL fine-tuning platform.

Why you should care

New decision models provide deterministic, structured outputs for agentic workflows, expanding the options available for AI routing and classification tasks.

Your move

Watch. Monitor adoption rates and benchmark updates against other decision models.

Evidence

ConfirmedCloudflare — AI ↗

What to watch next

Independent benchmark evaluations and customer deployment case studies for Clef and Clef-flash.

Event

release

Event date

Oct 1, 2026

Relevant to

General AI readers