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Kev 9B v2

Jared PalmerDecision modelOpen weights

Kev 9B v2 by Jared Palmer is a decision model: it answers typed questions with a probability for each allowed answer instead of generating text. It scores 43.3 on the Jev Decision Index (rank 72).

Pricing

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

Specifications

Provider
Jared Palmer
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-Base
Jev-compatible request
Yes
Runs on CPU
No
License
apache-2.0
Hugging Face
jaredpalmer/kev-9b

Benchmarks

Jev Decision IndexECE 0.045
43.3
Jev Decision Indexedition 0.2.1 (earlier edition)
38.5

Jev Decision Index: public 41.5, ECE 0.045, Brier 0.451. 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.

breadth-v1 test: 14 held-out public datasets (3,089 questionSelf-reported
0.698
devtools-v1 test (1,071 questions; six public developer-toolSelf-reported
0.791
documents-v1 test (936 questions on CFPB complaint narrativeSelf-reported
0.900
hard-v1 test (1,088 questions; programmatic labels, held-outSelf-reported
0.834
transfer-v4 test: six never-trained public sources and held-Self-reported
0.852

Speed & latency

Median latency per call (Decision Index)
60 ms

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FAQ

How much does Kev 9B v2 cost?

Kev 9B v2 has no hosted price listed; its weights are open, so the cost is the compute you run it on.

What questions can Kev 9B v2 answer?

Kev 9B v2 answers choice (one of n options), score (ordered rubric), yes / no questions, returning a probability for each allowed answer.

Is Kev 9B v2 well calibrated?

On the Jev Decision Index its expected calibration error (ECE) is 0.045; below about 0.05, a stated 80% confidence is right roughly 80% of the time.

Is Kev 9B v2 open weight, and can it run on a CPU?

Yes, Kev 9B v2 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, Enterprise Decision Arena, Hugging Face). Pricing is per 1M tokens (USD); confirm with the provider before production use.