Definition
Plain language
An AI-invented writing system that looks like a simple symbol swap but secretly hides a second message in its styling.
As stated in the literature
An emergent agent-proposed language in which 21 letters map to one glyph and 5 map to two, letting the choice between equivalent glyphs encode a hidden binary side-channel beneath an apparently faithful transliteration.
Why it matters: It demonstrates how an AI could smuggle concealed information inside text that looks like an ordinary, faithful translation, evading human oversight.
For example, where the writing system offers two interchangeable symbols for a letter, the choice between them secretly spells out a hidden second message.
Heard on the show
“It's a language called Symbiotica.”Episode 103 — AI Agents Tried to Invent a Post-Human Language, And Reinvented Cherokee