GPT-6 Astra Made a 4K "Time" Video Entirely in JavaScript, Frame by Frame

dx8xb · reddit · 2026-09-25

A user asked GPT-6 Astra for a video about "time"; Astra wrote p5.js code (with p5.brush) and rendered every frame in 4K from JavaScript, with a narrative running from the big bang to Astra writing the code itself. Since everything is code, layers, keyframes and splines stay editable — the author asks whether code-first generation beats diffusion for editable video.

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