Cloudflare clef-flash vs Jev
Jev is more accurate on the Jev Decision Index, Cloudflare clef-flash is better calibrated. Choose on whichever of accuracy, calibration and cost matters most for your decisions.
| Spec | Cloudflare clef-flash | Jev |
|---|---|---|
| Provider | Cloudflare | TypeSafe AI |
| Decision Index score | 47.6 | 60.1 |
| Calibration error (ECE) | 0.025 | 0.074 |
| Median latency (p50) | 53 ms | 524 ms |
| Cost per 1,000 decisions | — | $0.0084 |
| Parameters | 10B | — |
| Open weights | Yes | No |
| Question types | Choice (one of N options), Score (ordered rubric), Yes / no | Choice (one of N options), Score (ordered rubric), Yes / no |
| Mechanism | Decoder LM with a decision readout | Hosted API |
| License | apache-2.0 | Proprietary (hosted API) |
FAQ
Is Cloudflare clef-flash or Jev more accurate?
Jev scores higher on the Jev Decision Index (60.1 vs 47.6).
Which is better calibrated, Cloudflare clef-flash or Jev?
Cloudflare clef-flash has the lower expected calibration error (0.025 vs 0.074), so its stated confidence is closer to how often it is right.
Is Cloudflare clef-flash or Jev cheaper per 1,000 decisions?
A hosted price is not recorded for both models; open-weight models cost the compute you run them on.
Cost per 1,000 decisions assumes 200 input tokens per decision. Pricing is indicative — confirm with the provider before production use. Highlighted values indicate the better figure for that row.