neuralese

Neuralese is an informal term for internal AI representations, such as hidden-state vectors, that are not directly readable as language.

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Neuralese is an informal term for AI models’ internal representations, such as vectors or hidden states, that people cannot read directly as natural-language sentences. Unlike a written intermediate reasoning trace, these numerical representations cannot be interpreted as sentences on their own.

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The account contrasts earlier, human-readable reasoning traces with hidden numerical states it calls “neuralese” in systems such as Astra.


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