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Have a question? Ask Jev
TypeSafe’s evaluation model returns Yes/No probabilities, choices, or scores, not chat. Fast typed decisions through AI Gateway.
Care to explore these areas of interest?
What is Jev?
Jev is TypeSafe AI’s System One evaluation model. Instead of writing a chat reply, it returns a typed Yes/No probability, a Choice among options you name, or a Score on a rubric you define. On AI Gateway the model id is typesafe-ai/jev. Read the full Jev guide.
Why try Jev on DAKAEi?
Use this playground to ask Jev live from DAKAEi. When you are ready to act on those decisions inside Gmail, Slack, calendars, docs, and code, open DAKAEi and build an agent around the same workflow. Start on DAKAEi.
Ready for agents that act, not only decide?
DAKAEi connects to your apps so agents can send the email, update the sheet, or open the PR after a Jev-style decision.
FAQ
- What is Jev?
- Jev is TypeSafe AI’s System One evaluation model. You give it shared state and typed questions; it returns Yes/No probabilities, choices, or scores, not chat prose.
- What answer formats can I ask for?
- Yes / No returns a probability that the answer is true. Choice picks one option from criteria you name. Score rates against an ordered rubric you define.
- How does this relate to DAKAEi?
- This playground calls Jev through Vercel AI Gateway (typesafe-ai/jev) from DAKAEi. Explore the model here, then open DAKAEi chat to put decisions next to real work in your apps.
- Where can I learn more about Jev?
- Read our guide on what Jev is, how System One models differ from chat LLMs, and where teams use typed decisions in production. Read What is Jev?