Typed decisions, not chat

Japanese walkthrough of what Jev is and is not.

dev.to walkthrough of the Vercel AI SDK evaluate integration.

Jev versus a hand-built regex on 544 public data-protection resolutions: 98.2% agreement for about five cents.

Published eval methodology and per-model results for System One workflows.

Evidence-backed use cases, patterns, and guidance for building with Jev, TypeSafe AI's System One model. Every claim is labeled and sourced.

A curated list of public projects, integrations, and discussions built on Jev — TypeSafe AI's System One model for typed decisions.

Papers, open reproductions and independent evaluations behind System One models and Jev.

Known failure modes of the current public model, documented by TypeSafe.

Shortest path from an API key to a typed decision.