StartLux's decision family in six sizes, 0.8B to a 35B-A3B mixture of experts. All questions in a request are answered in one forward pass, with a probability for every option, through a TypeSafe /v1/systemone-compatible server. Text, JSON or images, up to 256K tokens.
Uprelic's hosted decision API, run on GPUs in Paris. Answers noul, choice and score questions about text, JSON and up to 8 images, with a probability for every option and no generated text, on the same request shape as Jev. No weights; base model and size not disclosed.
Decides
choice, score, noul
choice, score, noul, classify, route
Architecture
startlux-decision
strom
Fine-tuned from
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License
cc-by-nc-4.0
proprietary
Availability
Open weights
Hosted API
Hosted by
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Uprelic
Input price
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$0.042/MTok
Decision accuracy
88.3%
87.0%
Calibration error
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0.033
Valid action rate
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Median latency
26 ms
136 ms
p95 latency
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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 startlux-decision and strom?
startlux-decision is from StartLux and strom from Uprelic. startlux-decision has open weights you can download and run; strom is only available as a hosted API. Both answer choice, score and noul questions. Only strom answers classify and route. startlux-decision reads up to 256K tokens of state, against 32K tokens for strom. startlux-decision is licensed cc-by-nc-4.0; strom, proprietary.
Which is more accurate, startlux-decision or strom?
They report on different suites — startlux-decision 88.3% on JevBench public set (231 items; 204 correct), maker's run, strom 87.0% on JevBench public set (231 items), the maker's production run of Strom 1.0.7 on 1 Oct 2026 (Open-Jev harness format) — so the numbers do not rank them. Test both on your own labelled examples.
Which is cheaper, startlux-decision or strom?
startlux-decision: Free (open weights). strom: $0.042 / $0 per 1M. Open weights cost nothing per call beyond your own hardware.
Which is faster, startlux-decision or strom?
By their publishers’ figures, startlux-decision answers in about 26 ms at the median and strom in about 136 ms — measured on different hardware, so treat it as a rough guide.
Can I run startlux-decision or strom locally?
startlux-decision yes — systemone pull startlux/startlux-decision downloads its weights. The other is only served as a hosted API.
Evaluation suite
JevBench public set (231 items; 204 correct), maker's run
JevBench public set (231 items), the maker's production run of Strom 1.0.7 on 1 Oct 2026 (Open-Jev harness format)
