From GPT-4's Failed Unicorn to Claude Opus 5 Animating Frame-by-Frame in JavaScript

mhmazur · x · 2026-09-16

A viral demo shows Claude Opus 5 drawing every frame of a fruit fly lifecycle animation in JavaScript, prompting OpenAI's Will Depue to recall that just three years ago Greg Brockman asked GPT-4 to draw a unicorn — when it could barely manage an SVG. A striking three-year measure of how far model coding and visual generation have come.

Related event: Claude Opus 5 Draws Frame-by-Frame Animations in Pure JavaScript(4 posts)→

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