Using HPSG grammar analysis, the authors find that LLM-generated NYT-style text has a different syntactic and lexical distribution from human text, with LLMs more similar to each other than to humans.
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Comparing LLM-generated and human-authored news text using formal syntactic theory
Using HPSG grammar analysis, the authors find that LLM-generated NYT-style text has a different syntactic and lexical distribution from human text, with LLMs more similar to each other than to humans.