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ScaleDown Classify-1 vs SPX-CD-Pro

ScaleDown Classify-1 and SPX-CD-Pro have no measured difference in accuracy, calibration or cost in our data yet.

SpecScaleDown Classify-1SPX-CD-Pro
ProviderScaleDownSurdAI
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 / noChoice (one of N options), Score (ordered rubric), Yes / no
MechanismEncoder classifierDecoder LM with a decision readout
Licenseproprietaryapache-2.0

FAQ

Is ScaleDown Classify-1 or SPX-CD-Pro 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, ScaleDown Classify-1 or SPX-CD-Pro?

No calibration difference between ScaleDown Classify-1 and SPX-CD-Pro is recorded yet.

Is ScaleDown Classify-1 or SPX-CD-Pro 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.