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OpenAI Addresses ChatGPT's Em Dash Usage Issue

OpenAI Addresses ChatGPT's Em Dash Usage Issue

First seen 2 Dec 2025, 18:33 UTC • •

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ThreatCluster AI
ThreatCluster •March 12, 2026 at 13:27 UTC

OpenAI has implemented a fix for ChatGPT, allowing users to instruct the AI to avoid using em dashes in its responses. This change comes in response to criticism that the em dash has become a marker of AI-generated text, leading to concerns about the authenticity of written work across various platforms. Users can now customize their instructions to prevent the use of this punctuation mark.

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