OpenAI to embed digital watermark in EU‑generated text and code
openai
| Source: Mastodon | Original article
OpenAI will embed a digital watermark in text and code it generates for users in the European Union.
OpenAI announced on Monday that it will embed an invisible digital watermark in all text and code generated by its ChatGPT and Codex services for users in the European Union. The move is designed to meet the provenance‑tracking requirements of the EU’s AI Act, which mandates that AI‑generated content be identifiable to curb misinformation and protect intellectual‑property rights. OpenAI’s blog post explains that the watermark will be applied automatically to outputs produced within the EU, with detection tools made available to researchers and regulators.
The decision follows a similar step taken by Anthropic earlier this year, signalling a broader industry shift toward built‑in traceability as European regulators tighten oversight. By embedding a covert marker directly into the data stream, OpenAI aims to provide a reliable signal that a piece of text or a snippet of code originated from its models, without altering the user experience. Early tests indicate that heavy editing of the output can degrade the watermark’s detectability, a limitation the company acknowledges as it refines the technology.
Stakeholders will be watching how effectively the watermark can be detected in real‑world scenarios and whether it satisfies the EU’s compliance timeline. Regulators may also probe the robustness of the system against deliberate attempts to strip or spoof the marker. In the coming weeks OpenAI is expected to roll out detection APIs for partner researchers and to publish further guidance on the watermark’s technical specifications. How other AI providers respond—and whether the EU expands the rule to cover additional modalities such as images and video—will shape the next phase of AI transparency enforcement across the continent.
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