The "em dash" is seen by some as a dead giveaway of AI-generated text, mainly because ChatGPT loves to use it.

In a new personalization update, OpenAI says that ChatGPT will now respect your instruction to avoid using em-dashes when set ...

Now, OpenAI CEO Sam Altman says the company has fixed the problem. In a post on X, Altman writes, “If you tell ChatGPT not to ...

OpenAI has not achieved its goal of developing a superintelligence or artificial general intelligence, nor has it cracked its ...

People are treating the presence of em dashes, especially if they’re used in abundance, as one of the biggest tells if ...

Controlling punctuation is a main concern for users who depend on ChatGPT for professional, academic, or publishing tasks.

Many writers complained about how the chatbot’s overuse of em-dashes made them avoid it in their own writing. Other ChatGPT ...

ChatGPT was using the em dash excessively even when users explicitly asked it to stop. Sam Altman recently posted about a new ...

OpenAI's recent GPT-5.1 update enhances the model's ability to adhere to user formatting requests, specifically regarding ...

ChatGPT now follows custom instructions to reduce em-dash overuse. Here’s why it matters, what to expect and five simple ...