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OpenUI Releases OUI-1, a Model Specialized for UI Generation

·2026.09.11 02:46

Key point

OpenUI has released OUI-1, a model fine-tuned from DiffusionGemma to generate UIs using OpenUI-Lang.

Details

OpenUI has released OUI-1, a model fine-tuned from DiffusionGemma to generate custom UI elements. This model was trained on OpenUI-Lang, a domain-specific language (DSL) developed in-house, instead of standard HTML, Markdown, or React code.

Using OpenUI-Lang with general LLMs requires detailed explanations of syntax and usage in the system prompt, which consumes a significant portion of the context window. However, OUI-1 is designed to reduce this overhead through fine-tuning, freeing up more space for other tasks such as conversation and tool calling.

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