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OpenAI Updates ChatGPT: Users Can Avoid Em Dashes

11/17/2025

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Summary

Story summary

OpenAI addresses ChatGPT's excessive em dash usage.
Sam Altman, OpenAI CEO, announced that users can instruct ChatGPT to avoid em dashes in custom settings.
The update follows the release of GPT-5.1, which aims to improve personalization.
Critics say the change provides better control but does not resolve the underlying habit, and em dashes remain a potential indicator of AI-generated content.

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Story summary

OpenAI addresses ChatGPT's excessive em dash usage.
Sam Altman, OpenAI CEO, announced that users can instruct ChatGPT to avoid em dashes in custom settings.
The update follows the release of GPT-5.1, which aims to improve personalization.
Critics say the change provides better control but does not resolve the underlying habit, and em dashes remain a potential indicator of AI-generated content.