@OpenRouter says Jev by TypeSafe is on OpenRouter in beta. It takes app state plus a typed question and returns a typed decision with a probability, with no JSON prompting or parsing layer.

OpenRouter (@OpenRouter) published this on 2026-09-18. @OpenRouter says Jev by TypeSafe is on OpenRouter in beta. It takes app state plus a typed question and returns a typed decision with a probability, with no JSON prompting or parsing layer. Jev by @typesafeai is now on OpenRouter, in beta. Jev is a System One model. Instead of generating text, it takes your app's state plus a typed question and returns a typed decision with a probability attached. There is no JSON prompting, parsing layer, and nothing to validate against. How Jev or TypeSafe is used, in the post's own words: “Jev by @typesafeai is now on OpenRouter, in beta.” The post does not name a separate audience. It is for people reading what @OpenRouter shows here (it includes media).