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OpenAI to watermark ChatGPT text in EU under AI Act rules

OpenAI, a signatory to the EU’s AI-content code alongside Google, Anthropic, Meta, Microsoft and Mistral, will watermark ChatGPT text in the EU; tests show the watermark can weaken sharply after editing

· 10/6/2026, 3:36:02 PM· 2 min read
OpenAI to watermark ChatGPT text in EU under AI Act rules
OpenAI, a signatory to the EU’s AI-content code alongside Google, Anthropic, Meta, Microsoft and Mistral, will watermark ChatGPT text in the EU; tests show the watermark can weaken sharply after editing
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