Jev Engineering: separating the decision layer from the reasoning loop
Structured state plus a Jev router keeps the expensive model out of every decision loop, handling routing, scoring, blocking and approval, and was up to 193x faster and 444x cheaper in tests.
Jev Engineering is what turns an agent stack into an actual control system and moves the expensive model out of every decision loop. and up to 193x faster and 444x cheaper in tests. in this setup: request → structured state → Jev router → cheapest capable model → worker → relevance / approval checks → execution gate → tool the important thing is that the decision layers don’t generate prose. they route → score → block → approve. so expensive models only get called when the task actually needs them. that’s the point of Jev Engineering: separate reasoning from decision-making, then make the decision layer measurable, cheap and fast. full breakdown in the article below ↓
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