Caliber Flex 1B by OnePass. Decision-only model, exactly 1,000,000,000 parameters.
Caliber Flex 5B by OnePass. Decision-only model, exactly 5,000,000,000 parameters.
Decides
choice, noul, score
choice, noul, score
Architecture
llm
llm
Fine-tuned from
qwen/qwen3.5-0.8b-base
qwen/qwen3.5-4b-base
License
caliber-flex-non-commercial-1.0
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
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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
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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 caliber-flex-1b and caliber-flex-5b?
caliber-flex-1b is from onepass and caliber-flex-5b from onepass. Both have open weights you can download and run. Both answer choice, noul and score questions.
Which is more accurate, caliber-flex-1b or caliber-flex-5b?
Neither publishes an accuracy figure. Test both on your own labelled examples.
Which is cheaper, caliber-flex-1b or caliber-flex-5b?
caliber-flex-1b: Free (open weights). caliber-flex-5b: Free (open weights). Open weights cost nothing per call beyond your own hardware.
Can I run caliber-flex-1b or caliber-flex-5b locally?
Yes, both: systemone pull onepass/caliber-flex-1b and systemone pull onepass/caliber-flex-5b download the weights.
