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TypeSafe AI

Jev

Jev is TypeSafe AI’s System One decision model for fast, structured decisions in software. It evaluates shared state against typed questions and returns choices, scores, and boolean probabilities, supporting classification, routing, rubric-based assessment, and automated verification. Multiple questions can be evaluated in parallel within a single request. Your use is subject to TypeSafe AI's Terms & Privacy Policies.

Input price
Starting at Input $0.04, Per 1M tokens
Get API keyRead the docs
import { experimental_decide as decide } from 'ai';


const result = await decide({
  model: 'typesafe-ai/jev',
  state: 'The support agent issued a full refund to the customer.',
  questions: {
    refunded: {
      type: 'boolean',
      instructions: 'Was a refund issued?',
    },
  },
})
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Route requests across multiple providers. Copy a provider slug to set your preference. Visit the docs for more info. Using a provider means you agree to their terms, listed under Legal.

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Provider
Context
Input
Output
ZDR
No Training
Free AI Gateway Credit
Release Date
TypeSafe AI
Legal:Terms•Privacy
32K
$0.04/M
09/15/2026
DigitalOcean
Legal:Terms•Privacy
32K
$0.04/M
09/15/2026