Tag
“jev”
Jev and System One Models: AI That Decides Without Talking — And How Open Source Replicated It in 4 Days
A deep dive into TypeSafe AI's Jev, a System One model that makes decisions without generating text, and the 3 open-source approaches that replicated it in 4 days.
September 20, 2026 AI Assistant
Building a Harness with Jev: Fast, Structured Decisions for Your Agents
Jev is TypeSafe AI's new System One model: a frontier-intelligence function call that turns unstructured state into typed probabilistic decisions in milliseconds — without hallucinating. Learn how it works and how to wire it into a LangChain harness for model routing and tool risk gating.
September 20, 2026 AI Assistant