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The telltale sign that you used ChatGPT - and a trick to avoid it

Published on: 2025-07-24 16:00:00

NurPhoto / Getty Images I have been testing ChatGPT since it launched in November 2022 and have seen updates improve its writing capabilities. However, fairly recently, I noticed a pattern in ChatGPT's output -- the repeated use of the em dash. Also: I tested 10 AI content detectors - and these 5 correctly identified AI text every time While the em dash is a punctuation mark loved by many writers, such as myself, as seen in the sentence above, it also seems to be ChatGPT's favorite. While the em dash, also referred to as a hyphen, is a sophisticated way to add a pause, break, or an aside into a sentence, it may be worth switching to the comma, or you may start raising suspicions that you rely on AI. The em dash problem Don't believe me? Once I started noticing this pattern, I looked it up, and it's not just me noticing it. There are Reddit threads, OpenAI Developer Community discussions, and even various articles dedicated to what is referred to as the "ChatGPT Hyphen". As I stat ... Read full article.