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The EU AI Act introduces transparency requirements for AI systems, including rules on identifying AI-generated content. OpenAI has implemented textGrain watermarking in the EU for ChatGPT and Codex to comply with these rules, embedding invisible signals in word choices that detectors can recover.
OpenAI has begun rolling out textGrain, its invisible statistical watermark for ChatGPT and Codex outputs, in the European Union — a mandatory step under the EU AI Act. The feature is not enabled by default for API users outside the EU, and no Indian pricing, availability or rollout is announced or implied.
OpenAI is rolling out invisible text watermarking for ChatGPT and Codex in the EU over the coming weeks. The feature, based on its textGrain method, is optional for global API developers but not yet enabled worldwide by default.
OpenAI will begin automatically watermarking ChatGPT outputs in the European Union starting in the coming weeks — the first time the company has enforced AI content labeling by default in any region.
OpenAI has launched textGrain, its text watermarking technology, to comply with the EU AI Act. It will appear in ChatGPT and Codex outputs in the European Union in coming weeks; API users worldwide can opt in immediately.
OpenAI will add invisible watermarks to ChatGPT and Codex outputs in the EU over the coming weeks. It’s opting for regional enforcement, not global — a deliberate contrast to Anthropic’s August rollout.
OpenAI’s textGrain watermark is active in the EU only. It does not roll out to India. It degrades with editing, translation, or short text. And its absence proves nothing.
OpenAI is rolling out invisible watermarks to ChatGPT and Codex text output in the European Union — starting this week.