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Celeris-1 Decision vs Nirnaya 0.4B

Celeris-1 Decision and Nirnaya 0.4B have no measured difference in accuracy, calibration or cost in our data yet.

SpecCeleris-1 DecisionNirnaya 0.4B
ProviderCeleriskshitijthakkar
Decision Index score—0.0
Calibration error (ECE)—0.046
Median latency (p50)—14 ms
Cost per 1,000 decisions$0.0080—
Parameters—390M
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
Licenseproprietary—

FAQ

Is Celeris-1 Decision or Nirnaya 0.4B 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 Nirnaya 0.4B?

No calibration difference between Celeris-1 Decision and Nirnaya 0.4B is recorded yet.

Is Celeris-1 Decision or Nirnaya 0.4B 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.