# Jev AI Model

> Enter a real scenario, define typed questions, and inspect a typed decision with probabilities.

## Pages

- [Span-01](https://jevaimodel.net/model/span-01): Noul-only behavior evaluation. Free signed-in workbench; API costs 200 credits/million input tokens, minimum 1.
- [Span-01 Lite](https://jevaimodel.net/model/span-01-lite): Lightweight behavior evaluation. Free signed-in workbench; API costs 1 credit per successful request.
- [Home](https://jevaimodel.net): Landing page
- [Pricing](https://jevaimodel.net/pricing): Pricing plans
- [Kev 4B](https://jevaimodel.net/model/kev-4b): Free signed-in playground and paid decision API; same input-token credit rate as Jev.