Jev 101 — Decision models for software — tutorials for Jev and friends.

Jev 101 — Decision models for software — tutorials for Jev and friends.Learn TypeSafe’s Jev — a decision model that doesn’t chat — plus the community tools around it. Independent hub; not affiliated with TypeSafe.https://jev101.org/enEcosystem map: Jev, Gateway, OpenJevhttps://jev101.org/learn/ecosystem-map/https://jev101.org/learn/ecosystem-map/Official TypeSafe Jev, Vercel AI Gateway access, and community OpenJev experiments — keep the labels straight.Sat, 19 Sep 2026 00:00:00 GMTOpenJev results look like confidence but production disagreeshttps://jev101.org/troubleshoot/openjev-is-not-jev/https://jev101.org/troubleshoot/openjev-is-not-jev/OpenJev documents uncalibrated option softmax. Do not treat it as TypeSafe calibrated confidence.Sat, 19 Sep 2026 00:00:00 GMTSystem One vs an LLMhttps://jev101.org/learn/system-one-vs-llm/https://jev101.org/learn/system-one-vs-llm/Jev selects typed decisions with probabilities. LLMs generate text. Use both — do not force one job onto the other.Sat, 19 Sep 2026 00:00:00 GMT