Comparisons · reviewed 2026-09-25
Compare Jev and other decision models
Typed decision models are a young category, and most of the published numbers around them come from the teams building them. These pages put the options side by side and, more importantly, label where each figure came from so you can discount it correctly.
This site does not run its own benchmarks on any of these models. Where a comparison rests on different hardware, prompts, or sample sizes, the page says so.
Head to head
Jev vs Laya
They are not interchangeable. Jev is a closed hosted API you call over the network; Laya is an Apache-2.0 checkpoint you download and run yourself. Laya is faster when it runs on local hardware, which is unavoidable arit…
17 dimensions compared
Decision models vs LLMs
Use a decision model when the answer space is closed and your code consumes the answer — routing, grading, gating, moderation, ranking. Use an LLM when a person will read the output, when the answer is genuinely open, or…
11 dimensions compared