The best LLM for building UI components is Kimi K3, rated 1397 on Design Arena's component board — buttons, forms, modals and cards judged by blind human preference. Claude Opus 5 (1387) and GPT-5.6 Sol (1365) round out the top three.
AI models ranked by Design Arena Elo in the UI-component category — generating individual interface components (buttons, forms, modals, cards) rather than whole pages, judged head-to-head by humans. Component work is where most frontend time actually goes, and it rewards different things than page generation: consistent spacing, sane state handling and styling that matches the surrounding system.
The best LLM for building UI components is Kimi K3, rated 1397 on Design Arena's component board — buttons, forms, modals and cards judged by blind human preference. Claude Opus 5 (1387) and GPT-5.6 Sol (1365) round out the top three.
The best AI model for building UI components is Kimi K3, rated 1397 on Design Arena's component board — buttons, forms, modals and cards judged by blind human preference. Claude Opus 5 (1387) and GPT-5.6 Sol (1365) round out the top three.
Claude Opus 5 (1387) is the closest alternative on this metric, followed by GPT-5.6 Sol (1365). See the full ranking above for the tradeoffs.