Opus 5.5 goes back to draw the missing arm after realizing lines were dotted

ctjlewis · x · 2026-09-27

An AI-circle moment going around: someone showed that Opus 5.5 does a "scary" detail — it goes back to fill in an arm it originally omitted after realizing the lines were dotted, implying the arm should exist.

The counterintuitive behavior got shared with the joke "that's right, it goes in the transformer hole!", seen as a fun demonstration of the model's spatial reasoning and contextual understanding.

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