What Is a System One Model in AI?
Learn what a System One model is, how it differs from traditional LLMs and reasoning models, and why fast, structured AI decisions matter for automation.
TypeSafe
How to Use Jev: A Beginner's Guide to TypeSafe’s Decision Model
How TypeSafe’s Jev uses structured probabilistic decisions to make AI workflows faster, cheaper, and easier to control alongside traditional LLMs.
Vercel Says Jev Saw Fastest First-Day Adoption in AI Gateway History
Vercel said TypeSafe AI’s structured decision model reached roughly 13% of paid AI Gateway teams in its first day, outpacing several major model launches on the platform.
Jev Explained: The AI Model That Makes Decisions Instead of Writing Answers
Learn how TypeSafe AI’s Jev makes fast, structured decisions using calibrated probabilities, and why it could become a new judgment layer for software.
TypeSafe AI Launches Jev, a System One Model Built for Software Decisions
The launch pairs TypeSafe’s first machine-native model with a $40 million seed round led by DCVC.