Skip to content

ScaleDown Classify-1 vs vLLM-SR Decision 2.0 Nox 4B

ScaleDown Classify-1 and vLLM-SR Decision 2.0 Nox 4B have no measured difference in accuracy, calibration or cost in our data yet.

SpecScaleDown Classify-1vLLM-SR Decision 2.0 Nox 4B
ProviderScaleDownvLLM Semantic Router
Decision Index score—45.0
Calibration error (ECE)—0.030
Median latency (p50)—34 ms
Cost per 1,000 decisions$0.0080—
Parameters—4B
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 vLLM-SR Decision 2.0 Nox 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, ScaleDown Classify-1 or vLLM-SR Decision 2.0 Nox 4B?

No calibration difference between ScaleDown Classify-1 and vLLM-SR Decision 2.0 Nox 4B is recorded yet.

Is ScaleDown Classify-1 or vLLM-SR Decision 2.0 Nox 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.