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.
Frontier Infra's open decision model. A LoRA merged into Qwen3.8-27B (thinking off) that answers one typed question per forward pass with a probability over the option labels, served through AINode's TypeSafe-compatible /v1/systemone.
Decides
choice, score, noul
choice, score, noul, classify, route
Architecture
djev
jebadiah
Fine-tuned from
google/diffusiongemma-26b-a4b-it
qwen/qwen3.8-27b
License
apache-2.0
apache-2.0
Availability
Open weights + hosted API
Open weights
Hosted by
Maisa
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Input price
$0.035/MTok
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Decision accuracy
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86.6%
Calibration error
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0.113
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 jebadiah?
djev is from Maisa and jebadiah from Frontier Infra. djev has open weights and a hosted API; jebadiah has open weights you can download and run. Both answer choice, score and noul questions. Only jebadiah answers classify and route. djev is the smaller model, at 26B parameters to 27B.
Which is more accurate, djev or jebadiah?
Only jebadiah publishes an accuracy figure (86.6% on JevBench public set (231 items), maker's run with the v1.4.2 harness; ECE on the hard tier); djev does not, so there is no comparison to make without your own test.
Which is cheaper, djev or jebadiah?
djev: $0.035 / $0 per 1M, or free to self-host. jebadiah: Free (open weights). Open weights cost nothing per call beyond your own hardware.
Can I run djev or jebadiah locally?
Yes, both: systemone pull maisa/djev and systemone pull frontier-infra/jebadiah download the weights.
Evaluation suite
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JevBench public set (231 items), maker's run with the v1.4.2 harness; ECE on the hard tier
