OpenAI plans invisible watermarks on ChatGPT and Codex texts in the EU for compliance

emmanuelvivier · x · 2026-10-09

OpenAI plans to add invisible watermarks to text generated by ChatGPT and Codex in the EU, as content provenance for AI-generated material becomes a compliance requirement.

Text watermarking moving from optional feature to regulatory necessity raises questions about technical implementation and evasion. Thread context also notes Meta launched an iPad app for its Muse personal AI assistant.

Related event: OpenAI adds invisible text watermarks only in the EU(4 posts)→

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