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OpenAI rolling out invisible watermark on ChatGPT text in EU

OpenAI will soon add an invisible watermark—essentially a detectable pattern in word choices—to all ChatGPT and Codex responses in the European Union, meeting new EU rules that require marking AI-generated content. Outside the EU, this watermarking will stay off by default but can be turned on by developers using the API. OpenAI notes its method, called textGrain, isn’t foolproof: editing or rewriting can weaken or erase the watermark.

Why it mattersRegulators and organizations increasingly want tools to trace whether content was made by AI. OpenAI’s approach may set a model for how global tech firms handle similar rules, but technical limitations mean it won’t catch everything.

Sources covering this

The VergeOpenAI is adding text watermarking in ChatGPT and Codex6:08 PM →TechCrunchOpenAI will start watermarking ChatGPT’s text in the EU8:36 PM →9to5MacOpenAI details new text watermarking system for ChatGPT, Codex, and the API8:46 PM →GizmodoHeadline onlyOpenAI Is Adding Text Watermarks in the EU Because Regulation Works9:50 PM →BleepingComputerOpenAI is adding invisible watermarks to ChatGPT and Codex text in the EU10:46 PM →Daring FireballHeadline onlyOpenAI Announces Their Text Watermarking Plans10:59 PM →The RegisterHeadline onlyOpenAI rolls out weak sauce watermarking for AI text6:02 AM →ComputerworldHeadline onlyOpenAI to begin watermarking AI-generated text12:22 PM →Ars TechnicaOpenAI will watermark ChatGPT outputs by default—but only in the EU8:50 PM →

How it unfolded

  • The Verge OpenAI is adding text watermarking in ChatGPT and Codex
  • TechCrunch OpenAI will start watermarking ChatGPT’s text in the EU
  • 9to5Mac OpenAI details new text watermarking system for ChatGPT, Codex, and the API
  • Gizmodo OpenAI Is Adding Text Watermarks in the EU Because Regulation Works
  • BleepingComputer OpenAI is adding invisible watermarks to ChatGPT and Codex text in the EU
  • Daring Fireball OpenAI Announces Their Text Watermarking Plans
  • The Register OpenAI rolls out weak sauce watermarking for AI text
  • Computerworld OpenAI to begin watermarking AI-generated text
  • Ars Technica OpenAI will watermark ChatGPT outputs by default—but only in the EU

In this story

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