OpenUI
Open-source framework for generative UI.
Open-source framework for building and streaming AI-generated user interfaces using typed, registered components.

Recent stories
2 linked stories
newsPRIMARY2026-07-03
OpenUI integrates Mastra, CopilotKit, and Eve through AG-UI generative components
Mastra published an OpenUI guide, CopilotKit showed Fable 5 agents rendering AG-UI React components, and OpenUI Adam targeted Vercel Eve. The cluster creates a shared component-streaming surface across React, design systems, and filesystem agents.
releasePRIMARY2026-05-16
OpenUI launches OpenUI Lang with 67% fewer tokens than JSON
OpenUI open-sourced a generative UI framework that streams OpenUI Lang instead of JSON, claiming 67% fewer tokens and 3x faster rendering across seven scenarios. Use the renderer only with registered components and typed contracts to keep execution risk down.