OpenAI to watermark ChatGPT text in EU

Ars Technica and Computerworld report that OpenAI will automatically watermark text generated by ChatGPT in the European Union to comply with the EU AI Act. The feature will be available elsewhere but off by default. Ars Technica notes the watermark, called textGrain, has a detection rate of up to 92% but can be circumvented by altering the text. · summary by forck.live

Ars Technica: “OpenAI will watermark ChatGPT outputs by default—but only in the EU”+1 more →1 outlet ▴

• ComputerworldOpenAI to begin watermarking AI-generated text

Latest report

6 Oct 2026 12:22 UTC

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6 Oct 2026 12:22 UTC

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