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Nace.AI: Drex Max vs System One Qwen3.5 4B scorer

Nace.AI: Drex Max and System One Qwen3.5 4B scorer have no measured difference in accuracy, calibration or cost in our data yet.

SpecNace.AI: Drex MaxSystem One Qwen3.5 4B scorer
ProviderNace.AIpngwn
Decision Index score——
Calibration error (ECE)——
Median latency (p50)——
Cost per 1,000 decisions$0.012—
Parameters—4B
Open weights—Yes
Question types—Choice (one of N options), Score (ordered rubric), Yes / no
Mechanism—Decoder LM with a decision readout
License—Non-commercial

FAQ

Is Nace.AI: Drex Max or System One Qwen3.5 4B scorer 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, Nace.AI: Drex Max or System One Qwen3.5 4B scorer?

No calibration difference between Nace.AI: Drex Max and System One Qwen3.5 4B scorer is recorded yet.

Is Nace.AI: Drex Max or System One Qwen3.5 4B scorer 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.