An analysis of 88,927 AI chats reveals that large language models significantly overuse the em dash compared to user prompts. While only 2% of user inputs contained an em dash, 34% of AI responses did. This trend may be attributed to the em dash being token-efficient, its association with sophisticated writing, and potential preference among AI trainers. Interest in the em dash symbol has also seen a substantial increase in recent years. AI
IMPACT AI models may be developing distinct stylistic quirks, such as em dash overuse, which could influence user perception and writing habits.
RANK_REASON Analysis of AI chat data regarding stylistic choices, not a core AI development.
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