How to Use Jev: TypeSafe's Decision Model
On September 15, 2026, after two years in stealth, TypeSafe AI shipped something the current wave of AI releases had not produced: a model that writes nothing. It is called Jev. Ask it a question and it does not compose an answer. It returns a typed decision your software can act on, along with the probability behind it. The company was founded by Diogo Almeida, who worked on RLHF and the research behind ChatGPT at OpenAI. Someone from the team that made chat models what they are today has now shipped a model class built in the opposite direction. He announced it himself, and the post passed 36 million views: ...