Laya vs Jev for Agent Routing: Open Models and APIs
Laya accepts Jev-shaped requests, but it can choose a different route. Compare the open models and the checks that matter before switching.
On this page
TL;DR
- Jev is hosted. Laya ships open weights and a Jev-shaped endpoint.
- A compatible request can select a different checkpoint; option limits and confidence also change.
- Compare wrong routes on your own labeled cases before switching models.
A support agent can send a billing ticket to a lookup, a specialist, or a person. Jev and Laya can both return a typed choice for that ticket. Laya can even accept a Jev-shaped HTTP request, which makes a switch look simple. The answer can still change. Here is what Laya released, how the main open alternatives work, and what to test before changing a live route.
What is a System One typed decision?
A request gives the model a state (the ticket) and a question with a fixed answer space. TypeSafe's question reference defines three forms:
| Question | Example | Return |
|---|---|---|
choice | Which handler gets this ticket? | An option and its probability distribution. |
score | How severe is it on a defined scale? | A weighted level and distribution. |
noul | Is this likely to need a refund? | A yes probability from 0 to 1. |
The program still decides whether to act or send a case for review. A correctly formatted answer can be wrong. Our Jev explainer covers where this decision step fits in an agent.