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Jev Latest

API docs

An alias that routes to the latest TypeSafe Jev System One decision model. Use /v1/decisions directly, point the official TypeSafe SDK at the /api base URL for /api/v1/systemone compatibility, or pass a questions response format through Chat Completions, Messages, or Responses; Jev returns typed answers with calibrated probabilities instead of generated text.

Added Sep 18, 2026

Pricing

Auto routing · per 1M tokens
Input
$0.042
Output
Free
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Specifications

Context window
32K
Image input
No

API request

Send your application state and typed questions to POST /api/v1/decisions. Each answer comes back with its probabilities.

{
  "model": "typesafe/jev-latest",
  "state": "Customer message: I was charged twice for the same order.",
  "questions": {
    "team": {
      "type": "choice",
      "instructions": "Which team should handle this message?",
      "criteria": {
        "billing": "Payments, refunds or invoices",
        "technical": "Bugs or errors in the product"
      }
    }
  }
}
Decisions API docs

Providers

Auto routing is available for this model. Explicit provider selection is not available.

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