Dev Radar
Support
LiveUpdated 2026-09-22 08:21 UTC

Jev playground

Jev playground — Next-character logprobs from a System One decision model, in a loop, behind an…

Jev playground is Next-character logprobs from a System One decision model, in a loop, behind an OpenAI-compatible completions API.. It is ranked #101 on the Dev Radar, in AI dev tools, first seen 13 h ago and shared in 2 posts (34.1k views).

Visit jevplayground.lovable.app

Jev playground — logprobs, one character at a time Jev playground A breakthrough new kind of model. An autoregressive decision model could be used to write text and one day create powerful assistants! The capital of France is Submit ⌘↵ Stop 0 characters · 0.0 s total · 0.00000 credits Drop-in OpenAI completions API Point any OpenAI client at https://your-app.lovable.app /api/public/v1 with model jev-alphabet-001 . Any API key works; there is nothing to protect here. /completions , /chat/completions and /models are implemented, with streaming and logprobs. curl https://your-app.lovable.app/api/public/v1/completions \ -H "Content-Type:…

What people said about Jev playground on X

Jev is now on the Lovable AI Gateway and it's free to try. From now through Sunday, 9/27 23:59 UTC, it's free to build AI-powered features with Jev. Go see what you can ship.

@Lovable, 13 h ago · 164 likes · see the post

you get a jev API free via lovable when you build an agent/web app with it this week shoutout @CompleteSkeptic @typesafeai

@antonosika, 11 h ago · 79 likes · see the post

Alternatives to Jev playground

Jev playground in numbers

FAQ

What is Jev playground?

Next-character logprobs from a System One decision model, in a loop, behind an OpenAI-compatible completions API. It was first shared on X 13 h ago and is ranked #101 on the Dev Radar.

Is Jev playground free?

Yes, it is free to use.

Who shared Jev playground?

2 accounts on X, including @Lovable, @antonosika, in 2 posts totalling 34.1k views.

Every post is read and classified by Jev (TypeSafe): what it is, which market it belongs to, and whether the link is a real tool. 20.7k posts from 4.9k X accounts over the last 21 days, 2.4k tools, 12 markets. Collected every 5 minutes, fully re-ranked every hour — last update 2026-09-22 08:21 UTC. Full method.