Original sourceunite.ai
Summary
In response to the EU AI Act's transparency requirements, OpenAI introduced a phased text watermarking mechanism. Starting October 5, 2026, API outputs can optionally be watermarked globally, with the default off; in the coming weeks, eligible ChatGPT and Codex outputs in the EU will receive invisi…
Key points
- This is a concrete case of generated content marking moving from voluntary initiatives to regulatory compliance, directly affecting how companies meet disclosure obligations.
- Text watermarking becomes a practical means of AI Act transparency compliance; companies adopting generative AI need to reassess content marking and audit processes.
- Companies providing AI-generated content in the EU may need to enable watermarking and retain verification records; developers should note the API default is off and must be actively opted in.
Editorial note
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