Fable 5.2 builds a full company ad in 2 hours: raw HTML graphics plus numpy-synthesized sound

luew2 · reddit · 2026-11-12

A creator used Fable 5.2 to produce a company ad and was blown away: the model wrote all motion graphics in raw HTML and synthesized sound in Python by modifying sine waves with numpy. The code is barely legible to humans but the results speak for themselves. It took 2 hours and 4-5 prompts of mostly minor tweaks; the same attempt with Opus 4.8 had gone badly, making Fable a big step up for this workflow.

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