Caliber Flex 1B by OnePass. Decision-only model, exactly 1,000,000,000 parameters.
Superagent's 27B security decision model. It scores 2 to 16 supplied options in one forward pass and returns a probability for each, for triaging prompt injection, agent tool calls, code changes, logs and alerts. Apache-2.0 weights (gated, auto-approved) plus a hosted API.
Decides
choice, noul, score
choice, score, noul, classify, route
Architecture
llm
security-one
Fine-tuned from
qwen/qwen3.5-0.8b-base
denis-pplx/autojev-27b
License
caliber-flex-non-commercial-1.0
apache-2.0
Availability
Open weights
Open weights + hosted API
Hosted by
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Superagent
Input price
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Decision accuracy
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99.8%
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
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 security-one?
caliber-flex-1b is from onepass and security-one from Superagent. caliber-flex-1b has open weights you can download and run; security-one has open weights and a hosted API. Both answer choice, noul and score questions. Only security-one answers classify and route. caliber-flex-1b is licensed other; security-one, apache-2.0.
Which is more accurate, caliber-flex-1b or security-one?
Only security-one publishes an accuracy figure (99.8% on BIPIA binary prompt-injection detector adaptation (800 rows; Superagent's frozen evaluation, unsafe if P(unsafe) >= 0.70)); caliber-flex-1b does not, so there is no comparison to make without your own test.
Which is cheaper, caliber-flex-1b or security-one?
caliber-flex-1b: Free (open weights). security-one: Hosted, price not published, or free to self-host. Open weights cost nothing per call beyond your own hardware.
Can I run caliber-flex-1b or security-one locally?
Yes, both: systemone pull onepass/caliber-flex-1b and systemone pull superagent/security-one download the weights.
