OpenAI introduces text watermarking in the EU to comply with AI Act
To meet the AI Act's transparency requirement, OpenAI is adding a machine-readable identifier to text generated by ChatGPT. The company stresses that text watermarking and detection are still technologically early-stage, so it is taking a phased approach.
Who is affected and how
- compliance specialist
- Because of the obligation to make AI-generated text identifiable, must also check their own provider chain.
- corporate lawyer
- Contracts with AI providers should address watermarking and labelling.
Sources
- OpenAI Rolls Out Text Watermarking in EU for AI Act Compliancethe tech buzz · Oct 5, 2026
- OpenAI Begins Phased Text Watermarking Under EU AI Act Rulesunite.ai · Oct 5, 2026
- OpenAI Rolls Out Text Watermarking in EU for AI Act Compliance | The Tech Buzztechbuzz.ai · Oct 5, 2026
- OpenAI starts watermarking ChatGPT and Codex text in the EU to meet AI Act ruleswheresthe.ai · Oct 5, 2026
- ChatGPT watermarking in the EU: textGrain, API and the AI Actactuia.com · Oct 6, 2026
- OpenAI launches text watermarking under the EU AI Actdig.watch · Oct 9, 2026
- OpenAI will start watermarking ChatGPT’s text in the EUtechcrunch.com · Oct 10, 2026
- OpenAI Is Adding Text Watermarks in the EU Because Regulation Worksgizmodo.com · Oct 5, 2026
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