Jev is a frontier model that never generates text. You hand it the options; it scores them in a single parallel pass — roughly 8.5 seconds of LLM prose replaced by about 0.1 seconds of arithmetic.
That trade matters for the cost architecture of every agent you run: most enterprise traffic is routing, triage, classification and gating, not essay-writing. The full essay walks through the demo, the honest capability trade-offs, and where a decision-only model fits in model routing and tool-call guardrails.
Read the full essay on my site: Jev: The Frontier Model That Refuses to Write
source & further reading
dev.to — original article
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