Tag: textGrain

A person typing on a laptop with blue digital watermark waves rising above the screen and a European Union flag on the desk, representing OpenAI's invisible text watermarking for ChatGPT in the EU

Artificial Intelligence

OpenAI Unveils Invisible Text Watermark for ChatGPT in the EU

October 6, 2026 5 min read

OpenAI has unveiled "textGrain", an invisible watermark that will be embedded in eligible ChatGPT and Codex text outputs…