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US Tech & AI

OpenAI says it’s fixed ChatGPT’s em dash problem

By Eric November 16, 2025

OpenAI has introduced a new feature that allows users to personalize their ChatGPT experience by customizing its output, specifically by opting out of the use of em dashes. This update is part of OpenAI’s ongoing effort to enhance user interaction with its AI models, making them more adaptable to individual preferences. The em dash, often used in writing to create emphasis or indicate a pause, can sometimes disrupt the flow of text for certain users. By giving users the ability to modify such stylistic elements, OpenAI is acknowledging the diverse needs of its user base and striving to make the AI more user-friendly.

This personalization feature is significant as it reflects a broader trend in AI development towards user-centric design. Users can now engage with ChatGPT in a way that feels more comfortable and aligned with their writing style. For instance, a user who prefers a more straightforward, less punctuated style can request that ChatGPT avoid em dashes, resulting in cleaner and more concise responses. This capability not only enhances the user experience but also encourages more people to utilize AI tools for various applications, from creative writing to professional communication.

Moreover, this update is a testament to OpenAI’s commitment to continuously improving its models based on user feedback. By allowing such specific customizations, OpenAI demonstrates its understanding of the nuances of language and the importance of personalization in AI interactions. As users increasingly seek tools that can adapt to their preferences, this feature positions ChatGPT as a more versatile option in the landscape of AI-driven writing assistants. Overall, the ability to customize output styles like the em dash is a small yet meaningful step towards making AI more accessible and tailored to individual needs.

OpenAI says users can now personalize ChatGPT to stop using the em dash in its output.

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