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Cloudflare clef vs CoCo-Decision-4B 2.3.0

Cloudflare clef is more accurate on the Jev Decision Index, Cloudflare clef is better calibrated. Choose on whichever of accuracy, calibration and cost matters most for your decisions.

SpecCloudflare clefCoCo-Decision-4B 2.3.0
ProviderCloudflareCorners
Decision Index score53.148.8
Calibration error (ECE)0.0400.116
Median latency (p50)102 ms63 ms
Cost per 1,000 decisions——
Parameters28B4B
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 CoCo-Decision-4B 2.3.0 more accurate?

Cloudflare clef scores higher on the Jev Decision Index (53.1 vs 48.8).

Which is better calibrated, Cloudflare clef or CoCo-Decision-4B 2.3.0?

Cloudflare clef has the lower expected calibration error (0.040 vs 0.116), so its stated confidence is closer to how often it is right.

Is Cloudflare clef or CoCo-Decision-4B 2.3.0 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.