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Cloudflare clef vs Solomon v1.1

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 clefSolomon v1.1
ProviderCloudflareDoccy Health
Decision Index score53.140.9
Calibration error (ECE)0.0400.081
Median latency (p50)102 ms224 ms
Cost per 1,000 decisions——
Parameters28B28B
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-2.0apache-2.0

FAQ

Is Cloudflare clef or Solomon v1.1 more accurate?

Cloudflare clef scores higher on the Jev Decision Index (53.1 vs 40.9).

Which is better calibrated, Cloudflare clef or Solomon v1.1?

Cloudflare clef has the lower expected calibration error (0.040 vs 0.081), so its stated confidence is closer to how often it is right.

Is Cloudflare clef or Solomon v1.1 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.