Skip to content

Cloudflare clef vs Jeff-1.0-Large

Cloudflare clef and Jeff-1.0-Large have no measured difference in accuracy, calibration or cost in our data yet.

SpecCloudflare clefJeff-1.0-Large
ProviderCloudflarejgeuter
Decision Index score53.1—
Calibration error (ECE)0.040—
Median latency (p50)102 ms—
Cost per 1,000 decisions——
Parameters28B31B
Open weightsYesYes
Question typesChoice (one of N options), Score (ordered rubric), Yes / noChoice (one of N options), Score (ordered rubric), Yes / no
MechanismDecoder LM with a decision readoutDecoder LM with a decision readout
Licenseapache-2.0cc-by-nc-4.0

FAQ

Is Cloudflare clef or Jeff-1.0-Large 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 Jeff-1.0-Large?

No calibration difference between Cloudflare clef and Jeff-1.0-Large is recorded yet.

Is Cloudflare clef or Jeff-1.0-Large 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.