---
title: "Discussion on \"What Is Jev? A Guide to TypeSafe AI's System One Model\" | Hashnode"
description: "Discussion on \"What Is Jev? A Guide to TypeSafe AI's System One Model\". Jev returns typed decisions at $0.042 per million input tokens. Its confidence fields and documented limits determine which workflows can act safely."
url: "https://hashnode.com/posts/what-is-jev-a-guide-to-typesafe-ai-s-system-one-model/6abb2b75179d48811bcab4c3"
---

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# [What Is Jev? A Guide to TypeSafe AI's System One Model](https://developer.tenten.co/what-is-jev-a-guide-to-typesafe-ai-s-system-one-model?utm_source=hashnode&utm_medium=feed)

Jev returns typed decisions at $0.042 per million input tokens. Its confidence fields and documented limits determine which workflows can act safely.

Sep 29 · 8 min read · developer.tenten.co  
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-   [#artificial-intelligence](https://hashnode.com/tag/artificial-intelligence)
-   [#machine-learning](https://hashnode.com/tag/machine-learning)

## Written by

[Ewan Mak](https://hashnode.com/@tentenco)

@tentenco · SF

  
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Tenten build engaging user experiences for startups and corporates by connecting the dots between users’ needs and the business model.

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