Cloudflare clef vs Span-01
Cloudflare clef and Span-01 have no measured difference in accuracy, calibration or cost in our data yet.
| Spec | Cloudflare clef | Span-01 |
|---|---|---|
| Provider | Cloudflare | Respan |
| Decision Index score | 53.1 | — |
| Calibration error (ECE) | 0.040 | — |
| Median latency (p50) | 102 ms | — |
| Cost per 1,000 decisions | — | $0.0040 |
| Parameters | 28B | — |
| Open weights | Yes | No |
| Question types | Choice (one of N options), Score (ordered rubric), Yes / no | Yes / no |
| Mechanism | Decoder LM with a decision readout | Hosted API |
| License | apache-2.0 | proprietary |
FAQ
Is Cloudflare clef or Span-01 more accurate?
At least one of the two has no Jev Decision Index score yet, so their accuracy cannot be compared here.
Which is better calibrated, Cloudflare clef or Span-01?
No calibration difference between Cloudflare clef and Span-01 is recorded yet.
Is Cloudflare clef or Span-01 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.