Overview
TypeSafe AI is a startup founded by diogo-almeida (ChatGPT/RLHF co-creator) releasing jev — first public System One model for calibrated structured decisions.
Key Points
- 2026-09-14/18: Jev early access; API demand briefly exceeded capacity
- Training via rlcd on synthetic data; architecture details largely undisclosed
- Pricing: input per billion tokens; output tokens free