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OpenAI To Watermark ChatGPT Text In The EU, Opens API Opt-In via @sejournal, @Ma

BACKGROUND
1 SIGNALFIRST DETECTED 6 October 2026
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Other feeds and industry voices
5 Oct
OpenAI will start watermarking ChatGPT’s text in the EU

OpenAI will watermark ChatGPT and Codex text in the EU to comply with the AI Act. Editing can make the invisible marks harder to detect, it says.

REPORT · WHO · TechCrunch AIOPEN STORY
5 Oct
OpenAI is adding invisible watermarks to ChatGPT and Codex text in the EU

OpenAI is preparing to add invisible watermarks to text generated by ChatGPT and Codex in the European Union. [...]

REPORT · WHAT · BleepingComputerOPEN STORY
5 Oct
OpenAI explains how it will watermark ChatGPT text to comply with EU provenance rules

<table> <tr><td> <a href="https://www.reddit.com/r/ChatGPT/comments/1wycig7/openai_explains_how_it_will_watermark_chatgpt/"> <img alt="OpenAI explains how it will watermark

OPINION · HOW · ChatGPTOPEN STORY
5 Oct
OpenAI is adding text watermarking in ChatGPT and Codex

An invisible, machine-readable watermark in text output is rolling out to ChatGPT and Codex, but only for users in the European Union at first. OpenAI says its textGrain

REPORT · WHO · The Verge TechOPEN STORY
5 Oct
Our approach to EU text provenance rules

How OpenAI is approaching text watermarking under EU rules. Learn where watermarks apply, how detection works, and why access starts with researchers.

REPORT · WHERE · OpenAI NewsOPEN STORY
13 Aug
Anthropic Plans Invisible Watermarks for Claude-Generated Text and Files

<!-- SC_OFF --><div class="md"><p>Throughout the world, students screamed in horror! Anthropic will be adding hidden but machine-readable watermarks to text and images produced by

OPINION · WHAT · ArtificialInteligenceOPEN STORY
31 Aug
ChatGPT Is Now A “Very Large Online Search Engine” In The EU via @sejournal, @MattGSouthern

<p>ChatGPT is now a very large online search engine under the EU Digital Services Act after OpenAI reported about 159.1 million average monthly search recipients.</p> <p>The post

REPORT · HOW · Search Engine JournalOPEN STORY
5 Oct
OpenAI to test visual ads during ChatGPT image generation

<!-- SC_OFF --><div class="md"><p>OpenAI said it will begin testing visual ads inside ChatGPT later this month in the U.S., showing them while users generate images,

OPINION · WHO · ArtificialInteligenceOPEN STORY
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