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How does Fable 5.1 hide messages in images?

LessWrongAnalysis or commentary·
AI brief

A LessWrong post asks how frontier LLMs that can generate artistic SVG images would hide a message in an image, and whether such hidden messages could be decoded. The text says it presents results from that experiment.

Written by AI from LessWrong's published text.

Source

“TL;DR Frontier LLMs are now capable of generating artistic images using SVG. We ask – if these LLMs had to hide a message in an image – how would they do so? And if they hid such messages, could they be successfully decoded?”
LessWrong, 21 Oct 2026, 18:42.

Interpretation or community commentary rather than straight reporting.

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