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Kas 4B vs amos-1-large

Kas 4B and amos-1-large have no measured difference in accuracy, calibration or cost in our data yet.

SpecKas 4Bamos-1-large
ProviderkpiyaScira (mukaddamzaid)
Decision Index score36.7—
Calibration error (ECE)0.098—
Median latency (p50)69 ms—
Cost per 1,000 decisions——
Parameters4B—
Open weightsYesYes
Question typesChoice (one of N options), Score (ordered rubric), Yes / noChoice (one of N options), Score (ordered rubric), Yes / no
MechanismDecoder LM with a decision readoutDecoder LM with a decision readout
Licenseapache-2.0apache-2.0

FAQ

Is Kas 4B or amos-1-large 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, Kas 4B or amos-1-large?

No calibration difference between Kas 4B and amos-1-large is recorded yet.

Is Kas 4B or amos-1-large 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.