7 months of progress: Opus generates realistic 3D worlds in a single HTML file from one prompt

141_1337 · reddit · 2026-09-24

A Redditor shared a video showing a claimed Opus 5.5 generating a realistic interactive 3D world inside a single HTML file from one prompt — a striking before/after against 7 months ago, illustrating rapid gains in single-file code generation and 3D scene quality.

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