Claude Opus 5.5 generates Backrooms found footage; reasoning effort changes the style

goodside · x · 2026-09-24

@goodside tested Claude Opus 5.5's video generation: at Medium reasoning effort it produced a 30s found-footage clip of someone lost in the part of the Backrooms dedicated to past misshapen results of standard AI art test prompts — a self-referential nod to AI generation history. He then compared the same prompt at Extra reasoning effort to show how the setting changes the output.

Related event: Claude Opus 5.5 Generates 30-Second Backrooms Found-Footage Video(2 posts)→

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