Kimi K3 finishes a mouse-following animation and a 9-card effect in under an hour

neuroprinciples · x · 2026-07-22

A user reports using Kimi K3 for two front-end tasks: a moving glow-ribbon animation that followed the mouse, and a nine-card flip-and-slide effect.

According to the post, both were completed quickly: the animation was fixed, and the card interaction that would normally take a day by hand was delivered in under an hour. The poster frames this as a strong price-performance signal and says it explains why OpenAI and Anthropic would be uneasy.

Related event: Kimi K3 Builds Complex Front-End in Under an Hour(2 posts)→

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