Code Block vs similar

1 option side by side. Our @design-infra pieces render live under the design system you choose; upstream pieces show their live demo where the host allows embedding, otherwise a screenshot with a link to the real thing. Pick or pass, then copy the feedback for your agent.

Design system

AAi Reasoningsmoothuiimage
No preview yetOpen live demo ↗
state · loop — subtledrop-inCalmRefinedTechnical
motion · medium cost · respects reduced motion
Collapsible reasoning trace: the label shimmers 'Thinking' only while isStreaming, then settles to 'Thought for 3.2s' (measured, or pass duration) and auto-collapses — until the user toggles it, after which it stops deciding for them. Muted-foreground chrome, inherits the theme; no shimmer under reduced motion.
$npx shadcn@latest add @smoothui/ai-reasoning
Gallery page Open live demo

Feedback for your agent

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From design-infra compare — Code Block vs similar:
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Compare: https://www.owencoonahan.xyz/design-infra/compare?ids=smoothui/ai-reasoning&label=Code+Block+vs+similar