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Bosun v3.1 1.7B vs Nace.AI: Drex Max

Bosun v3.1 1.7B and Nace.AI: Drex Max have no measured difference in accuracy, calibration or cost in our data yet.

SpecBosun v3.1 1.7BNace.AI: Drex Max
ProviderHanno LabsNace.AI
Decision Index score16.5—
Calibration error (ECE)0.130—
Median latency (p50)40 ms—
Cost per 1,000 decisions—$0.012
Parameters2B—
Open weightsYes—
Question typesChoice (one of N options), Score (ordered rubric), Yes / no—
MechanismDecoder LM with a decision readout—
Licenseapache-2.0—

FAQ

Is Bosun v3.1 1.7B 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, Bosun v3.1 1.7B or Nace.AI: Drex Max?

No calibration difference between Bosun v3.1 1.7B and Nace.AI: Drex Max is recorded yet.

Is Bosun v3.1 1.7B 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.