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Celeris-1 Decision vs W1-JEV

Celeris-1 Decision and W1-JEV have no measured difference in accuracy, calibration or cost in our data yet.

SpecCeleris-1 DecisionW1-JEV
ProviderCelerisWhaletechAI
Decision Index score——
Calibration error (ECE)——
Median latency (p50)——
Cost per 1,000 decisions$0.0080—
Parameters——
Open weightsNoYes
Question typesChoice (one of N options), Score (ordered rubric), Yes / no—
MechanismDiffusion LMDiffusion LM
Licenseproprietary—

FAQ

Is Celeris-1 Decision or W1-JEV 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 W1-JEV?

No calibration difference between Celeris-1 Decision and W1-JEV is recorded yet.

Is Celeris-1 Decision or W1-JEV 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.