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Surprising: frontier models (Claude, ChatGPT, Deepseek V4) produce the most predictable text of any local AI model or human text I've ever tested. Not surprising: Finnegans Wake is off the charts, by far least predictable—Shannon & Lydia Liu proved right—and Hemingway the most predictable human.

Ryan Heuser@ryanheuser.com

Shannon measured the information rate of English at ~1 bit per character. According to a byte-level LLM measuring next-character predictability in LLM & human text (diaries, abstracts, dreams, fiction), aligned models produce sub-English information rates & LLM text is more predictable than humans'.

What's surprising is that the giant trillion-parameter models are even more predictable than the tiny ones I can run on my own PC. That, plus the fact that 'aligned' or fine-tuned models are more predictable than their base model, suggests AI is optimized for predictability (a feature of slop?).

Nah it's exactly what you'd expect. The most predictable answer to a question will of course be the correct one.

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