October 2, 2026

Cloudflare Releases Clef and Clef Flash Open-Weight Models

Cloudflare has introduced Clef and Clef Flash, open-weight decision models designed to return typed probabilities rather than text.

According to MarkTechPost, Cloudflare has released two open-weight decision models named Clef and Clef Flash. Unlike traditional large language models that generate conversational text responses, these new models are engineered to return typed probabilities for structured tasks.

For builders working on automated workflows and decision systems, this architecture addresses the challenges of parsing free-form model outputs. By outputting typed probabilities directly, Clef and Clef Flash aim to provide more predictable and reliable data streams for downstream software infrastructure and agentic pipelines.

The release expands Cloudflare’s footprint in open-weight tooling, offering developers specialized alternatives to standard text-generation models for classification and decision-making workloads.

Based on reporting by www.marktechpost.com.

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