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Celeris-1 Decision vs Span-01 Lite

Span-01 Lite is cheaper per 1,000 decisions. Choose on whichever of accuracy, calibration and cost matters most for your decisions.

SpecCeleris-1 DecisionSpan-01 Lite
ProviderCelerisRespan
Decision Index score——
Calibration error (ECE)——
Median latency (p50)——
Cost per 1,000 decisions$0.0080Free
Parameters——
Open weightsNoNo
Question typesChoice (one of N options), Score (ordered rubric), Yes / noYes / no
MechanismDiffusion LMHosted API
Licenseproprietaryproprietary

FAQ

Is Celeris-1 Decision or Span-01 Lite 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 Span-01 Lite?

No calibration difference between Celeris-1 Decision and Span-01 Lite is recorded yet.

Is Celeris-1 Decision or Span-01 Lite cheaper per 1,000 decisions?

Span-01 Lite is cheaper: about Free vs $0.0080 per 1,000 decisions at 200 input tokens each.

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.