Introducing OUI-1: world's first model for Generative UI
Full-stack, renderer-agnostic Generative UI with a streaming-first language, official React support, community integrations, and up to 67% fewer tokens than JSON.
OpenUI
OUI-1
Thesys
An open-weight diffusion model fine-tuned from DiffusionGemma to generate user interfaces in OpenUI Lang on consumer GPUs.
Specs
Model
- Family
- OUI
- Parameters
- 26B total / 4B active
- Weights
- Open
- License
- Apache-2.0
Dates
- Announced
- 8 Sept 2026
Articles
All articlesopenui.com