UI2App - Visual Fidelity: leaderboard

Metric: Visual Fidelity Score (0-100), the block-level size, text, position and colour similarity of each rendered route to its screenshot; 45 screenshot sets (327 screenshots) of real multi-route web applications; the model must emit a runnable React application from the screenshots alone; apps that fail to build after three self-debug rounds score 0. Source: arxiv.org. Saturation forecast: Around December 2026. 6 models tracked.

Top models

#ModelScore
1Gemini 3.1 Pro (Preview)78.1
2Claude Sonnet 4.675.7
3Kimi K2.5 (Thinking)65.3
4GPT-5.465
5Qwen 3.5 397B A17B56
6GLM-4.6V22.6

Interactive version: theaggregate.ai/benchmark?slug=ui2app-visual-fidelity · How It Works · Data refreshed daily, snapshot 2026-09-29.