Why LLMs prefer compressed language: the information density hypothesis

code_star · x · 2026-10-23

@thomashikaru proposes a hypothesis: LLMs face pressure for information density, leading to compressed language, novel n-grams, and a preference for short alternatives in linguistic alternations — unlike humans, whose pressure is successful communication with other humans. @codestar responds that the better question is why: is this a beneficial product of performance squeezing or an unintended artifact of some training stage.

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