A typed-decision layer for Google's DiffusionGemma, from David Villalón at Maisa AI. It compiles a request into a small answer canvas, runs one denoising read on patched vLLM and reads the probabilities of the allowed labels, for text, images and images offered as options.
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.
Decides
choice, score, noul
choice, score, noul, classify, route
Architecture
djev
solar
Fine-tuned from
google/diffusiongemma-26b-a4b-it
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License
apache-2.0
proprietary
Availability
Open weights + hosted API
Hosted API
Hosted by
Maisa
Upstage
Input price
$0.035/MTok
$0.10/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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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 djev and solar-decide?
djev is from Maisa and solar-decide from Upstage. djev has open weights and a hosted API; solar-decide is only available as a hosted API. Both answer choice, score and noul questions. Only solar-decide answers classify and route. djev is licensed apache-2.0; solar-decide, proprietary.
Which is more accurate, djev or solar-decide?
Neither publishes an accuracy figure. Test both on your own labelled examples.
Which is cheaper, djev or solar-decide?
djev: $0.035 / $0 per 1M, or free to self-host. solar-decide: $0.1 / $0 per 1M. Open weights cost nothing per call beyond your own hardware.
Can I run djev or solar-decide locally?
djev yes — systemone pull maisa/djev downloads its weights. The other is only served as a hosted API.
