The Slinky Test: A New Coding Challenge for Local Models Using Pure Canvas
MrMrsPotts · reddit · 2026-09-06
A Reddit user shares the "slinky test" — a single-file HTML coding challenge asking models to animate a rainbow slinky tumbling in place on an infinitely ascending escalator using pure canvas, no libraries. The author invites readers to try it with their favorite local models.
Related event: Rainbow Slinky Escalator Test Goes Viral, Pitting GPT Against Claude(2 posts)→
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