DiffUI

About DiffUI

DiffUI is a diffusion-based UI design generator built by a former Figma engineer, and its central bet is that image diffusion models are a better fit for interface design than the large language models most AI design tools are built on. The practical difference shows up in throughput: DiffUI generates nine design options in roughly 50 seconds, where LLM-driven competitors typically produce a single page in three to five minutes. That is nine times the options at roughly five times the speed, which changes the workflow from waiting on one answer to picking from a spread. It also learns your existing product rather than inventing a look each time — upload screenshots of what you already ship and DiffUI extracts your colors, fonts, spacing, and component styles, then generates new screens that look like they were always part of the product. Buttons, tables, and inputs stay on brand, interactions stay consistent, and data visuals match the rest of the system. When you are happy with a design, DiffUI converts it into responsive production code: it pulls every color, font, spacing value, and radius into clean design tokens and wraps them in vanilla Web Components, so there is no framework lock-in on the way out. Design-to-code is free during the beta; you only pay for image generation.

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