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Bekko System One v0 400M

hotchpotchDecision modelOpen weights

Bekko System One v0 400M by hotchpotch is a decision model: it answers typed questions with a probability for each allowed answer instead of generating text. It scores 15.2 on the Jev Decision Index (rank 131).

Pricing

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

Specifications

Provider
hotchpotch
Parameters
400M
Released
Sep 2026
Open weights
Yes
Question types
Choice (one of N options), Score (ordered rubric), Yes / no
Mechanism
Encoder classifier
Backbone
jhu-clsp/ettin-encoder-400m
Jev-compatible request
Yes
Runs on CPU
Yes
License
—
Hugging Face
hotchpotch/bekko-system-one-v0-400m

Benchmarks

Jev Decision IndexECE 0.111
15.2

Jev Decision Index: public 22.4, ECE 0.111, Brier 0.631. 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
21.9

Speed & latency

Median latency per call (Decision Index)
17 ms

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FAQ

How much does Bekko System One v0 400M cost?

Bekko System One v0 400M has no hosted price listed; its weights are open, so the cost is the compute you run it on.

What questions can Bekko System One v0 400M answer?

Bekko System One v0 400M answers choice (one of n options), score (ordered rubric), yes / no questions, returning a probability for each allowed answer.

Is Bekko System One v0 400M well calibrated?

On the Jev Decision Index its expected calibration error (ECE) is 0.111; below about 0.05, a stated 80% confidence is right roughly 80% of the time.

Is Bekko System One v0 400M open weight, and can it run on a CPU?

Yes, Bekko System One v0 400M has open weights. It is small enough to run on a CPU.

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.