Introducing System One Models and Jev

Request and response contract for POST /v1/systemone.

Official TypeSafe server. Builder demos live in the Show and Tell channel.

Official interactive demo of speculative fan-out: many questions in one call, code keeps the relevant answers.

The Register on the launch, the Doom demo, and the $40M seed round.

Steve Krouse's playable 16-judgment demo and video.

TypeSafe's founder on why RLCD-trained decision models are a shorter path to value than chat models.

TypeSafe System One / Jev community directory — GitHub projects & posts around typed decisions (typesafe.ai)

Jev demos, projects, SDKs and skills, with source links and a curated X gallery.

Awesome list of TypeSafe AI Jev use cases: 74 demos ranked by likes, 150+ GitHub repos, limits, cost and API examples. CC0, sponsored by AY Automate.