# The Verge — OpenAI is adding text watermarking in ChatGPT and Codex

- Company: The Verge (theverge.com)
- Announced: 2026-10-05T18:08:39+00:00
- Category: capability-change
- Coverage: not counted
- Announcement: yes
- Group: announcements
- Source: https://www.theverge.com/ai-artificial-intelligence/1004880/openai-chatgpt-text-watermarks-eu-ai-act
- Record: https://forck.live/items/16081-openai-is-adding-text-watermarking-in-chatgpt-and-codex
- Subject: Reporting

OpenAI is rolling out textGrain watermarking to ChatGPT and Codex users in the European Union, with opt-in access for API customers globally. The company states the watermarking does not guarantee reliable detection and is not being made a global default at launch.

## Evidence

Verbatim from https://www.theverge.com/ai-artificial-intelligence/1004880/openai-chatgpt-text-watermarks-eu-ai-act:

> Rolling out text watermarking in the EU. Over the coming weeks, we will introduce text watermarking to eligible ChatGPT and Codex users across all plans in the EU only. We are not making text watermarking a global default at launch.

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Record: https://forck.live/items/16081-openai-is-adding-text-watermarking-in-chatgpt-and-codex
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