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.
StartLux's decision family in six sizes, 0.8B to a 35B-A3B mixture of experts. All questions in a request are answered in one forward pass, with a probability for every option, through a TypeSafe /v1/systemone-compatible server. Text, JSON or images, up to 256K tokens.
Decides
choice, score, noul
choice, score, noul
Architecture
bev-decider
startlux-decision
Fine-tuned from
qwen/qwen3-0.6b
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License
cc-by-nc-4.0
cc-by-nc-4.0
Availability
Open weights
Open weights
Hosted by
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Input price
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Decision accuracy
74.7%
88.3%
Calibration error
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Valid action rate
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Median latency
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26 ms
p95 latency
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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 startlux-decision?
bev-decider is from Avishek Biswas and startlux-decision from StartLux. Both have open weights you can download and run. Both answer choice, score and noul questions. startlux-decision reads up to 256K tokens of state, against 2K tokens for bev-decider. bev-decider is the smaller model, at 478M parameters to 4.7B.
Which is more accurate, bev-decider or startlux-decision?
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, startlux-decision 88.3% on JevBench public set (231 items; 204 correct), maker's run — so the numbers do not rank them. Test both on your own labelled examples.
Which is cheaper, bev-decider or startlux-decision?
bev-decider: Free (open weights). startlux-decision: Free (open weights). Open weights cost nothing per call beyond your own hardware.
Can I run bev-decider or startlux-decision locally?
Yes, both: systemone pull avishek-biswas/bev-decider and systemone pull startlux/startlux-decision download the weights.
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Evaluation suite
avbiswas/bev-decision test split (5,000 held-out questions over 2,617 states), the maker's own
JevBench public set (231 items; 204 correct), maker's run
