json-render
vercel-labs
A Jev UI-composition experiment inside the json-render website that selects from predefined component and property options.
- License
- Apache-2.0
- GitHub Stars
- 16572
- Source reviewed
- 2026-09-19
Where Jev makes a decision
Evaluates component configurations through Vercel AI Gateway, then composeSpec assembles the UI specification.
What this project offers
Provides an inspectable composition path alongside token-by-token JSON generation.
Review scope
This covers the website’s Jev experiment, not the whole framework. Claims such as 3.21 s versus 880 ms were not independently verified.
Sources and implementation
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