A 0.4B decision model made from the first 20 layers of Qwen3-0.6B plus a small attention head that compares options. It answers choice, noul and score questions in one pass, and choice order cannot change its answer by construction. Non-commercial licence.
Uprelic's hosted decision API, run on GPUs in Paris. Answers noul, choice and score questions about text, JSON and up to 8 images, with a probability for every option and no generated text, on the same request shape as Jev. No weights; base model and size not disclosed.
Decides
choice, score, noul
choice, score, noul, classify, route
Architecture
bev-decider
strom
Fine-tuned from
qwen/qwen3-0.6b
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License
cc-by-nc-4.0
proprietary
Availability
Open weights
Hosted API
Hosted by
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Uprelic
Input price
—
$0.042/MTok
Decision accuracy
74.7%
87.0%
Calibration error
—
0.033
Valid action rate
—
—
Median latency
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136 ms
p95 latency
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Evaluation suite
Figures are from each model’s manifest; accuracy and latency are what the publishers report, on their own suites and hardware. Add a third model.
Questions
What is the difference between bev-decider and strom?
bev-decider is from Avishek Biswas and strom from Uprelic. bev-decider has open weights you can download and run; strom is only available as a hosted API. Both answer choice, score and noul questions. Only strom answers classify and route. strom reads up to 32K tokens of state, against 2K tokens for bev-decider. bev-decider is licensed cc-by-nc-4.0; strom, proprietary.
Which is more accurate, bev-decider or strom?
They report on different suites — bev-decider 74.7% on avbiswas/bev-decision test split (5,000 held-out questions over 2,617 states), the maker's own, strom 87.0% on JevBench public set (231 items), the maker's production run of Strom 1.0.7 on 1 Oct 2026 (Open-Jev harness format) — so the numbers do not rank them. Test both on your own labelled examples.
Which is cheaper, bev-decider or strom?
bev-decider: Free (open weights). strom: $0.042 / $0 per 1M. Open weights cost nothing per call beyond your own hardware.
Can I run bev-decider or strom locally?
bev-decider yes — systemone pull avishek-biswas/bev-decider downloads its weights. The other is only served as a hosted API.
avbiswas/bev-decision test split (5,000 held-out questions over 2,617 states), the maker's own
JevBench public set (231 items), the maker's production run of Strom 1.0.7 on 1 Oct 2026 (Open-Jev harness format)
