Blog
Oct 10, 2026
Jev vs Laya, CLM-8B and the rest: a 2026 field guide to decision modelsEight System One-style decision models compared: licenses, hosting, cost crossovers, and the latency numbers we measured on the live Jev gateway.
Sep 26, 2026
How to call the Jev API from curl, Python and JavaScriptA first Jev AI /v1/systemone request you can paste into a terminal and then into an app — with a real response, measured latency and the full error table.
Sep 26, 2026
Put a typed guardrail in front of an agent tool callAsk Jev whether a proposed tool call matches the user intent and how destructive it is, then let plain code decide. A walkthrough with state assembly, thresholds and a test matrix.
Sep 26, 2026
Jev vs asking an LLM for JSONWhy a decision model and a language model are not interchangeable — and how to structure a codebase that uses both.
Sep 26, 2026
From playground to production in one afternoonValidate a Jev decision in the browser, then put the same JSON behind a Bearer key in your service — with what to check before you ship.
Sep 26, 2026
How Optio credits work — the Jev API cost modelOne-time packs, no expiry, and the actual formula: 1 credit per 1,000 input tokens, 1-credit minimum, output tokens free, failed requests refunded.
Sep 26, 2026
What the Jev playground actually hits — and what changes when you get a keyThe free playground runs the real model under daily caps. What differs on each hop from browser run to production call.