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decisio 0.6.0 (Gemma 4 31B)

aminryDecision modelOpen weights

decisio 0.6.0 (Gemma 4 31B) by aminry is a decision model: it answers typed questions with a probability for each allowed answer instead of generating text. It scores 58.5 on the Jev Decision Index (rank 16).

Pricing

No hosted price is listed. The weights are open: the cost is your own compute.

Specifications

Provider
aminry
Parameters
31B
Released
Oct 2026
Open weights
Yes
Question types
Choice (one of N options), Score (ordered rubric), Yes / no
Mechanism
Decoder LM with a decision readout
Backbone
google/gemma-4-31B-it
Jev-compatible request
No
Runs on CPU
No
License
—

Benchmarks

Jev Decision IndexECE 0.142
58.5

Jev Decision Index: public 58.1, ECE 0.142, Brier 0.435. Lower ECE means its probabilities can be taken at face value.

Self-reported by the publisher

The model's own claims, often on its own sets or a self-run copy of a public suite. Not independently verified and never ranked alongside measured results.

Jev Decision Index public suite (self-run)Self-reportedDecision Index public balanced skill, edition 0.3 kit (release-v3), self-run
58.1

Speed & latency

Median latency per call (Decision Index)
54 ms

Compare decisio 0.6.0 (Gemma 4 31B) with…

FAQ

How much does decisio 0.6.0 (Gemma 4 31B) cost?

decisio 0.6.0 (Gemma 4 31B) has no hosted price listed; its weights are open, so the cost is the compute you run it on.

What questions can decisio 0.6.0 (Gemma 4 31B) answer?

decisio 0.6.0 (Gemma 4 31B) answers choice (one of n options), score (ordered rubric), yes / no questions, returning a probability for each allowed answer.

Is decisio 0.6.0 (Gemma 4 31B) well calibrated?

On the Jev Decision Index its expected calibration error (ECE) is 0.142; below about 0.05, a stated 80% confidence is right roughly 80% of the time.

Is decisio 0.6.0 (Gemma 4 31B) open weight, and can it run on a CPU?

Yes, decisio 0.6.0 (Gemma 4 31B) has open weights. It needs a GPU to run at useful speed.

Data as of 2026-10-14. Source: Metatext decision-model catalogue, 2026-10-14 (Jev Decision Index). Pricing is per 1M tokens (USD); confirm with the provider before production use.