OpenAI adds text watermarking for ChatGPT and Codex users under the EU AI Act, and offers a global opt‑in for API customers.
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| Source: Techmeme | Original article
OpenAI will add text watermarking for ChatGPT and Codex users in the EU and provide an opt‑in watermarking option for API customers worldwide to comply with the EU AI Act.
OpenAI announced that it will begin embedding an invisible watermark in text generated by ChatGPT and Codex for users in the European Union, and will offer an opt‑in watermarking setting for API customers worldwide. The move is a direct response to the EU AI Act’s transparency provisions, which took effect on 2 August and require generative‑AI providers to make AI‑produced text identifiable in a machine‑readable way.
The company said the watermark will be added “starting today” for EU users and will be available globally to API clients who choose to enable it. OpenAI framed the rollout as a “phased approach,” acknowledging that text watermarking and detection are still early‑stage technologies with notable limitations. In its own guidance on EU text‑provenance rules, OpenAI noted that the benefits and responsible uses of such markers are still being debated.
Compliance matters because the EU AI Act imposes fines and market‑access restrictions on firms that fail to meet the provenance requirement. By embedding a machine‑readable identifier, OpenAI aims to avoid regulatory penalties while preserving the user experience of its flagship products. The watermark is designed to be invisible to end users but detectable by downstream tools, enabling platforms and auditors to flag AI‑generated content.
What to watch next includes how robust detection methods evolve to read OpenAI’s watermark, whether other major providers adopt similar schemes, and how regulators assess the effectiveness of these early solutions. Industry observers will also monitor any feedback from developers using the API opt‑in, as well as potential adjustments to the watermarking technology in response to technical or privacy concerns. The rollout marks the first concrete step by a leading AI lab to meet the EU’s new transparency rules, setting a precedent for future compliance strategies.
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