JEV-9B

AutoTrust AI LabDecision modelOpen weights

JEV-9B by AutoTrust AI Lab is a decision model: it answers typed questions with a probability for each allowed answer instead of generating text. It scores 45.2 on the Jev Decision Index (rank 63).

Pricing

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

Specifications

Provider: AutoTrust AI Lab
Parameters: 10B
Released: Sep 2026
Open weights: Yes
Question types: Choice (one of N options), Score (ordered rubric), Yes / no
Mechanism: Decoder LM with a decision readout
Backbone: Qwen/Qwen3.5-9B
Jev-compatible request: Yes
Runs on CPU: No
License: apache-2.0
Hugging Face: autotrust/JEV-9B

Benchmarks

Jev Decision IndexECE 0.073: 45.2

Jev Decision Index: public 43.3, ECE 0.073, Brier 0.446. 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 0.2.1 kit (release-v2.1), self-run: 43.1
HumanEvalSelf-reported: 0.707
jev-distill-corpus-v3 · test_set_30kSelf-reported: 0.996

Speed & latency

Median latency per call (Decision Index)

50 ms

Compare JEV-9B with…

JEV-9B vs amos-1-large—/1M in JEV-9B vs amos-1-medium—/1M in JEV-9B vs Celeris-1 Decision$0.04/1M in JEV-9B vs ScaleDown Classify-1$0.04/1M in JEV-9B vs Cloudflare clef—/1M in JEV-9B vs Cloudflare clef-flash—/1M in

FAQ

How much does JEV-9B cost?

JEV-9B has no hosted price listed; its weights are open, so the cost is the compute you run it on.

What questions can JEV-9B answer?

JEV-9B answers choice (one of n options), score (ordered rubric), yes / no questions, returning a probability for each allowed answer.

Is JEV-9B well calibrated?

On the Jev Decision Index its expected calibration error (ECE) is 0.073; below about 0.05, a stated 80% confidence is right roughly 80% of the time.

Is JEV-9B open weight, and can it run on a CPU?

Yes, JEV-9B 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, Hugging Face). Pricing is per 1M tokens (USD); confirm with the provider before production use.