Give it context
Start with a support ticket, a document, or a user message. This shared state gives every question its context.
EXPLORE · LEARN · BUILDMake decisions with JEV.
Make decisions with JEV.
Bring your ideas to life.
Your starting point for structured AI. Discover what JEV can do, explore practical workflows, and take your first idea from context to decision.
Practical guides. Useful tools. One place to start.
Browser-first tools
Explore requests with no local setup.
Structured by design
Work with choices, scores, and probabilities.
Ready-to-use patterns
Learn from real developer use cases.
An open ecosystem
Find documentation and community projects.
YOUR FIRST DECISION01 02 03
From context to clarity.
A useful decision starts with the right question. Follow these three steps to explore JEV’s structured approach.
Define your question
Choose an output type and describe exactly what you need to decide. Make your criteria clear and specific.
Use the decision
Inspect the structured response in this Playground, then use the result in your own workflow.
{
"model": "typesafe/jev-1.13",
"state": "I was charged twice. Please refund the duplicate payment.",
"questions": {
"intent": {
"type": "choice",
"instructions": "Which team should handle this ticket?",
"criteria": { "billing": null, "technical": null, "other": null }
}
}
}Illustrative request · no model execution on this page
UNDERSTAND THE ECOSYSTEM
A guide for your next build.
This independent information hub brings learning resources and practical entry points together. The JEV model and its official services are provided by TypeSafe AI.
| JEV / TypeSafe AI | This information hub | |
|---|---|---|
| Focus | Model development and official services | Learning, discovery, and practical guidance |
| Resources | Official product information and API access | Curated links, use cases, and request examples |
| Get started | Visit TypeSafe AI for current access details | Buy tokens and run decisions in this Playground |
IDEAS IN PRACTICE
Small decisions. Real possibilities.
Explore how structured decisions can fit into everyday software. These are application patterns, not performance guarantees.
Explore use cases✳
Your next idea starts with a question.
Bring the context. Define the choices. Explore what you can build.
Start exploring