Skip to content

Cloudflare clef-flash vs Span-01 Lite

Cloudflare clef-flash and Span-01 Lite have no measured difference in accuracy, calibration or cost in our data yet.

SpecCloudflare clef-flashSpan-01 Lite
ProviderCloudflareRespan
Decision Index score47.6—
Calibration error (ECE)0.025—
Median latency (p50)53 ms—
Cost per 1,000 decisions—Free
Parameters10B—
Open weightsYesNo
Question typesChoice (one of N options), Score (ordered rubric), Yes / noYes / no
MechanismDecoder LM with a decision readoutHosted API
Licenseapache-2.0proprietary

FAQ

Is Cloudflare clef-flash or Span-01 Lite 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-flash or Span-01 Lite?

No calibration difference between Cloudflare clef-flash and Span-01 Lite is recorded yet.

Is Cloudflare clef-flash or Span-01 Lite 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.