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amos-1-large vs jeff

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

Specamos-1-largejeff
ProviderScira (mukaddamzaid)logan-markewich
Decision Index score—7.7
Calibration error (ECE)—0.097
Median latency (p50)—22 ms
Cost per 1,000 decisions——
Parameters—576M
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 readoutSpan encoder (GLiNER family)
Licenseapache-2.0—

FAQ

Is amos-1-large or jeff 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, amos-1-large or jeff?

No calibration difference between amos-1-large and jeff is recorded yet.

Is amos-1-large or jeff 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.