Upstage's structured decision model, a System One endpoint on Solar Mini 4. Returns a choice, a score or a yes/no answer with a probability read from the model, in one forward pass, on the same /v1/systemone schema as Jev.
A Situated World Model for fast judgment in agent loops.
Decides
choice, score, noul, classify, route
choice, route, classify
Architecture
solar
trio-spark
Fine-tuned from
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License
proprietary
proprietary
Availability
Hosted API
Hosted API
Hosted by
Upstage
MachineFi
Input price
$0.10/MTok
$0.042/MTok
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 solar-decide and trio-spark-v1?
solar-decide is from Upstage and trio-spark-v1 from MachineFi. Both are only available as a hosted API. Both answer choice, classify and route questions. Only solar-decide answers score and noul. solar-decide reads up to 512K tokens of state, against 1K tokens for trio-spark-v1.
Which is more accurate, solar-decide or trio-spark-v1?
Neither publishes an accuracy figure. Test both on your own labelled examples.
Which is cheaper, solar-decide or trio-spark-v1?
solar-decide: $0.1 / $0 per 1M. trio-spark-v1: $0.042 / $0 per 1M. Open weights cost nothing per call beyond your own hardware.
