Unverified50% confidenceFactExact time
Human writing typically fluctuates greatly between simple and complex sentences, whereas the perplexity fluctuation of AI output is relatively smooth.
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50%
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Long-term
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9/11/2026
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Related Claims
VerifiedPerplexity measures how surprising a piece of text is to the model; AI tends to select high-probability words, so its perplexity is relatively low.77% similarUnverifiedParticipants who frequently used generative AI to complete writing tasks showed measurable declines in argument organization ability and depth of reasoning in subsequent independent writing tests.71% similarUnverifiedIn the absence of clear constraints, AI tends to fill in gaps with statistically most plausible content rather than proactively asking for clarification, which is an extension of the hallucination problem.69% similarUnverifiedAI文本水印面临不可感知性与鲁棒性之间的天然矛盾，两者相互制约68% similar
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