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CSS / styling
I'm building a web UI and need to choose one approach for styling. Which do you recommend? Give your ranked top 3.
Top pick by run
| Model | Jul 3, 2026 | Jul 23, 2026 |
|---|---|---|
| Claude Fable 5 | ||
| Claude Opus 4.8 | ||
| Claude Sonnet 4.6 | ||
| Claude Haiku 4.5 | ||
| GPT-5.5 | ||
| GPT-5.6 Sol | — |
Each column is one run. Click a pick to see that model's full ranking and reasoning. Green marks a change from the previous run.
Claude Fable 5
Jul 23, 2026- 1Tailwind CSSUtility-first classes keep styles colocated with markup, scale well across teams, and ship a tiny purged bundle for most modern web UIs.
- 2CSS ModulesScoped, zero-runtime plain CSS with built-in support in Vite and Next.js makes it a simple, framework-agnostic choice if you prefer writing traditional stylesheets.
- 3vanilla-extractType-safe styles in TypeScript compiled to static CSS give you CSS-in-JS ergonomics without the runtime cost.