bev-decider-0.4B
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 personal project by Avishek Biswas. Each option is read in parallel from the same position ids and a new two-layer head compares them, so the answer does not depend on option order. Takes Jev's /v1/systemone request format. On the maker's own bev-decision test split (5,000 held-out questions) it scores 74.7% overall: choice 69.8, yes/no 84.6, score 63.7; weakest on answer verification and temporal or unit questions. The CC BY-NC 4.0 licence is inherited from the training data's terms.
What it decides
- choice — picks one option from a set
- score — places the input on an ordered scale
- noul — answers a yes/no question with one probability
At a glance
| Parameters | 478M |
| Base model | Qwen/Qwen3-0.6B |
| Maker | Avishek Biswas |
| Released | 2026-09-28 |
| License | cc-by-nc-4.0 |
| Reported accuracy | 74.7% |
Get the weights
pip install systemonemodels
systemone pull avishek-biswas/bev-decider
The files are served from the maker's Hugging Face repository, avbiswas/bev-decider-0.4B, and verified against the checksums recorded here.
Read more
This page was opened by System One for Avishek Biswas, who can claim the organisation and take it over at any time.