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Diffusion Jev vs Celeris-1 Decision

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

SpecDiffusion JevCeleris-1 Decision
Provider—Celeris
Decision Index score——
Calibration error (ECE)——
Median latency (p50)——
Cost per 1,000 decisions—$0.0080
Parameters——
Open weightsYesNo
Question typesChoice (one of N options), Score (ordered rubric), Yes / noChoice (one of N options), Score (ordered rubric), Yes / no
MechanismDiffusion LMDiffusion LM
License—proprietary

FAQ

Is Diffusion Jev or Celeris-1 Decision 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, Diffusion Jev or Celeris-1 Decision?

No calibration difference between Diffusion Jev and Celeris-1 Decision is recorded yet.

Is Diffusion Jev or Celeris-1 Decision 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.