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Celeris-1 Decision vs Kev 27B

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

SpecCeleris-1 DecisionKev 27B
ProviderCelerisJared Palmer
Decision Index score—58.8
Calibration error (ECE)—0.022
Median latency (p50)—135 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
Licenseproprietaryapache-2.0

FAQ

Is Celeris-1 Decision or Kev 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 Kev 27B?

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

Is Celeris-1 Decision or Kev 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.