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ScaleDown Classify-1 vs JevK5 v0.3

ScaleDown Classify-1 and JevK5 v0.3 have no measured difference in accuracy, calibration or cost in our data yet.

SpecScaleDown Classify-1JevK5 v0.3
ProviderScaleDownalibiserikbay
Decision Index score—41.5
Calibration error (ECE)—0.060
Median latency (p50)—26 ms
Cost per 1,000 decisions$0.0080—
Parameters—5B
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 JevK5 v0.3 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 JevK5 v0.3?

No calibration difference between ScaleDown Classify-1 and JevK5 v0.3 is recorded yet.

Is ScaleDown Classify-1 or JevK5 v0.3 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.