How to get rid of em-dashes from ChatGPT results

If you’re tired of ChatGPT filling your responses with em-dashes, the long dash that has practically become the bot’s calling card, there’s now a simple way to stop it. With the rollout of OpenAI’s new GPT-5.1 model, users can finally instruct ChatGPT not to use em-dashes, and this time, the chatbot actually listens.

Here’s how you can remove em-dashes from ChatGPT’s writing once and for all.