TREE NEWS update: OpenAI will expand its content provenance program and add watermarking to eligible text generated by ChatGPT and Codex in the European Union over the coming weeks. The company said the move is intended to comply with the EU AI Act. The measure applies to qualifying text output produced in the EU region.
OpenAI to Watermark ChatGPT, Codex Text Output in EU for AI Act Compliance
Watermarking text output is a materially harder provenance problem than marking images or audio, since text offers little redundant signal to embed a durable, invisible marker without degrading readability. Scoping the rollout to EU-generated qualifying output rather than globally suggests a compliance-driven patchwork, which matters for anyone building cross-border pipelines on top of these models. Whether the marking survives paraphrasing, translation or downstream editing — and whether other providers follow with their own incompatible schemes — is the open question.
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