OpenAI Rolls Out Text Watermarking to Comply with EU AI Act

OpenAI has begun rolling out text watermarks for its API, with mandatory implementation for EU ChatGPT users in coming weeks. The company published a blog post detailing how the feature meets EU text provenance requirements under the AI Act.

2026-10-05 ~ 2026-10-06 · 2 related posts

• OpenAI rolls out textGrain text watermarking for EU AI Act, going open source — btibor91 · 2026-10-05
• OpenAI explains how it will watermark ChatGPT text to comply with EU provenance rules — rhiever · 2026-10-06