# OpenAI details new text watermarking system for ChatGPT, Codex, API - 9to5Mac

> OpenAI today announced how it will comply with the EU AI Act, which requires providers of generative AI systems to mark AI-generated text in a way that makes it identifiable. Here are the details.

- **Source:** [9to5Mac](https://9to5mac.com/2026/10/05/openai-details-new-text-watermarking-system-for-chatgpt-codex-and-the-api/?utm_source=gearopen.com&utm_medium=referral&utm_campaign=feed&utm_content=6ac413827e59d17c54ddaa0c)
- **Published:** 2026-10-05
- **Category:** Phones
- **Tags:** #chatgpt #openai #claude #anthropic #ai
- **Canonical:** http://localhost:4321/a/6ac413827e59d17c54ddaa0c

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