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Celeris-1 Decision vs Eikos-27B

Celeris-1 Decision and Eikos-27B have no measured difference in accuracy, calibration or cost in our data yet.

SpecCeleris-1 DecisionEikos-27B
ProviderCeleriscaiovicentino1
Decision Index score—55.3
Calibration error (ECE)—0.057
Median latency (p50)—130 ms
Cost per 1,000 decisions$0.0080—
Parameters—28B
Open weightsNoYes
Question typesChoice (one of N options), Score (ordered rubric), Yes / noChoice (one of N options), Score (ordered rubric), Yes / no
MechanismDiffusion LMDecoder LM with a decision readout
Licenseproprietarymit

FAQ

Is Celeris-1 Decision or Eikos-27B 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, Celeris-1 Decision or Eikos-27B?

No calibration difference between Celeris-1 Decision and Eikos-27B is recorded yet.

Is Celeris-1 Decision or Eikos-27B 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.