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jeff vs Nace.AI: Drex Max

jeff and Nace.AI: Drex Max have no measured difference in accuracy, calibration or cost in our data yet.

SpecjeffNace.AI: Drex Max
Providerlogan-markewichNace.AI
Decision Index score6.2—
Calibration error (ECE)0.097—
Median latency (p50)22 ms—
Cost per 1,000 decisions—$0.012
Parameters576M—
Open weightsYes—
Question typesChoice (one of N options), Score (ordered rubric), Yes / no—
MechanismSpan encoder (GLiNER family)—
License——

FAQ

Is jeff or Nace.AI: Drex Max 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, jeff or Nace.AI: Drex Max?

No calibration difference between jeff and Nace.AI: Drex Max is recorded yet.

Is jeff or Nace.AI: Drex Max 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.