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.
Caliber Flex 1B by OnePass. Decision-only model, exactly 1,000,000,000 parameters.
Decides
choice, score, noul
choice, noul, score
Architecture
bev-decider
llm
Fine-tuned from
qwen/qwen3-0.6b
qwen/qwen3.5-0.8b-base
License
cc-by-nc-4.0
caliber-flex-non-commercial-1.0
Availability
Open weights
Open weights
Hosted by
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Input price
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Decision accuracy
74.7%
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Calibration error
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Valid action rate
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Median latency
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p95 latency
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Evaluation suite
avbiswas/bev-decision test split (5,000 held-out questions over 2,617 states), the maker's own
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 caliber-flex-1b?
bev-decider is from Avishek Biswas and caliber-flex-1b from onepass. Both have open weights you can download and run. Both answer choice, score and noul questions. bev-decider is licensed cc-by-nc-4.0; caliber-flex-1b, other.
Which is more accurate, bev-decider or caliber-flex-1b?
Only bev-decider publishes an accuracy figure (74.7% on avbiswas/bev-decision test split (5,000 held-out questions over 2,617 states), the maker's own); caliber-flex-1b does not, so there is no comparison to make without your own test.
Which is cheaper, bev-decider or caliber-flex-1b?
bev-decider: Free (open weights). caliber-flex-1b: Free (open weights). Open weights cost nothing per call beyond your own hardware.
Can I run bev-decider or caliber-flex-1b locally?
Yes, both: systemone pull avishek-biswas/bev-decider and systemone pull onepass/caliber-flex-1b download the weights.
