---
id: "typesafe/jev-1.13"
also: ["typesafe/jev-1.13-20260917"]
card_usd_per_m: "0.042 in, 0.0 out, at typesafe"
cheapest_list_usd_per_m: "0.042 in, 0.0 out, at typesafe on openrouter"
cheapest_effective_usd_per_m: "0.0418 in, 0.0 out, at typesafe on openrouter"
context: 262144
max_output: 235929
input: ["text", "image"]
output: ["decisions"]
released: "2026-09-18"
api: ["/api/alpha/decisions"]
endpoints: 1
gateways: "openrouter (1)"
no_training: 1
trains: 0
retains_prompts: 0
---
# TypeSafe: Jev 1.13

Jev is a structured decision model from TypeSafe, and the first of its System One models. System One models make fast, structured decisions for software, returning a typed choice rather...