2026-10-03
Clef vs Jev Decision Model: Which Should You Use?
Compare Clef vs Jev for agent decisions — System One API compatibility, Workers AI hosting, latency, and when to switch. Includes a live playground link.
| Dimension | Clef (Cloudflare) | Jev (Typesafe) |
|---|---|---|
| Primary host story | Cloudflare Workers AI (@cf/cloudflare/clef, clef-flash) | Typesafe / Jev stack |
| API shape | System One compatible | System One |
| Model sizes | Full Clef (~27B) and Clef-flash | See vendor docs |
| License narrative | Clef model under Apache 2.0 | Check Jev/Typesafe terms |
| Online try | Clef Playground — try Clef online | Vendor demos |
Ready to test? Open the Clef Decision Playground.
This is an independent demo tool for the Clef model. Not affiliated with Cloudflare. Clef model available under Apache 2.0 license.