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Eikos-27B vs Cloudflare clef

Eikos-27B 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.

SpecEikos-27BCloudflare clef
Providercaiovicentino1Cloudflare
Decision Index score55.353.1
Calibration error (ECE)0.0570.040
Median latency (p50)130 ms102 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
Licensemitapache-2.0

FAQ

Is Eikos-27B or Cloudflare clef more accurate?

Eikos-27B scores higher on the Jev Decision Index (55.3 vs 53.1).

Which is better calibrated, Eikos-27B or Cloudflare clef?

Cloudflare clef has the lower expected calibration error (0.040 vs 0.057), so its stated confidence is closer to how often it is right.

Is Eikos-27B or Cloudflare clef 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.