How Well Can Large Language Models Impersonate Individual Authors? A Comparative Evaluation
This study investigates the authorship impersonation capacity of six widely used large language models (LLMs): Gemini 3 Pro, Claude Opus, GPT 5.2, GPT 5.2 Pro, DeepSeek 3.2, and Grok 4.1 Fast. The evaluation was conducted using short product review texts selected to ensure high within author consistency in individual w...
Harshit Gupta, Shunichi Ishihara
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