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.
A 4B biomedical decision model by Dimitris Papadopoulos: Qwen3.5-4B tuned with Together AI's Tev1 recipe on 1.75M pharma, clinical-trial and literature decisions. One forward pass gives a temperature-scaled probability per option. Research use only.
Decides
choice, score, noul
choice, score, noul, classify
Architecture
bev-decider
biodecision
Fine-tuned from
qwen/qwen3-0.6b
qwen/qwen3.5-4b
License
cc-by-nc-4.0
Research use only (several training sources are non-commercial); not validated for patient care
Availability
Open weights
Open weights
Hosted by
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Input price
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Decision accuracy
74.7%
75.3%
Calibration error
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Valid action rate
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Median latency
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39 ms
p95 latency
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 biodecision?
bev-decider is from Avishek Biswas and biodecision from Dimitris Papadopoulos. Both have open weights you can download and run. Both answer choice, score and noul questions. Only biodecision answers classify. bev-decider is the smaller model, at 478M parameters to 4.0B. bev-decider is licensed cc-by-nc-4.0; biodecision, other.
Which is more accurate, bev-decider or biodecision?
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, biodecision 75.3% on BioDecision v2 held-out test set (63,432 overlap-screened decisions from public biomedical benchmarks; the maker's own split) — so the numbers do not rank them. Test both on your own labelled examples.
Which is cheaper, bev-decider or biodecision?
bev-decider: Free (open weights). biodecision: Free (open weights). Open weights cost nothing per call beyond your own hardware.
Can I run bev-decider or biodecision locally?
Yes, both: systemone pull avishek-biswas/bev-decider and systemone pull lighteternal/biodecision 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
BioDecision v2 held-out test set (63,432 overlap-screened decisions from public biomedical benchmarks; the maker's own split)
