AI Launch Profile
Cloudflare Clef / Clef-flash
Cloudflare released Clef and Clef-flash, decision models that produce structured choices and probabilities. The family is hosted on Workers AI and distributed as Apache-2.0 weights for local experimentation. Access: Models hosted on Workers AI with Apache-2.0 weights for local use; RL fine-tuning initially partner-assisted; self-service fine-tuning not GA.
At a glance
Launch Snapshot
- Company
- Cloudflare
- Launch date
- October 1, 2026
- Launch type
- Model Release
- Category
- AI Open-Weight Models
- Audience
- AI Agent Developers, Developers
- Pricing
- Hosted inference is subject to Workers AI usage billing; open weights are distributed under Apache 2.0 and local inference requires compute. The announcement does not establish a universal free hosted plan or self-service fine-tuning price.
- Free plan
- Not publicly confirmed
- API
- Yes
- Open weights/source
- Yes
Launch Context
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Verification & Sources
- Evidence state
- Source-verified
- Source links
- 1
- Freshness
- Checked October 2, 2026
- Last verified
- October 2, 2026
- Last updated
- October 2, 2026
What this evidence state means
- Definition
- The stated claim was checked against a named primary or authoritative source. This does not mean Kingy tested the product.
- Required provenance
- At least one public, named primary or authoritative source that directly supports the claim.
- Owner
- Kingy editorial reviewer
- Freshness rule
- Recheck within 30 days and after a material product, price, access, or source change.
- Disputes and corrections
- Use “Suggest a correction” on the record. Kingy editorial reviews the cited evidence, records material corrections, and changes or removes the state when it is not supported.
Key source checks
Suggest a correction
Creator Coverage Next Steps
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Kingy AI Take
Clef and Clef-flash give developers hosted and local options for structured decisions. Compare them on your own decision tasks; Cloudflare’s benchmark results are vendor claims, and initial fine-tuning access is partner-assisted.
Who it is for
Users evaluating Cloudflare Clef / Clef-flash within the stated access limits.
What feels promising
Cloudflare released Clef and Clef-flash, decision models that produce structured choices and probabilities. The family is hosted on Workers AI and distributed as Apache-2.0 weights for local experimentation.
What feels unproven
Models hosted on Workers AI with Apache-2.0 weights for local use; RL fine-tuning initially partner-assisted; self-service fine-tuning not GA. Source review completed October 2, 2026. No new hands-on test, paid API request, independent benchmark or account-specific access check was performed. Vendor results remain attributed. Existing dated tests and disclosures were not edited. Commercial disclosure: On October 2, 2026, Curtis confirmed that Kingy had no client or sponsorship relationship, affiliate compensation or supplied access from Cloudflare.
Source-backed record
Evidence sources
Related Kingy Links
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