Thesys ships OUI-1 so developers can run generative UI locally

The open-weight DiffusionGemma fine-tune uses 4B active parameters, while Thesys' own benchmark leaves usability untested.

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Primary source: OpenUI

Why it matters

Thesys' benchmark measures whether generated interfaces are structurally valid. Adoption will depend on whether those interfaces are usable and help people complete tasks.

A person's hands hover over a laptop screen displaying a dynamically generating user interface with some misaligned elements.

Thesys, the generative UI startup founded by Rabi Shanker Guha and Parikshit Deshmukh, said in its September 8th launch post that it released OUI-1, an open-weight model built to generate software interfaces rather than another stream of prose.…

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