OpenAI Ships textGrain to Invisibly Watermark AI Text for EU Compliance

OpenAI is rolling out textGrain, an invisible statistical watermark for ChatGPT and Codex output in the EU, with opt-in API access worldwide.

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2026-10-05 17:42 · AlphaSignal
OpenAI Ships textGrain to Invisibly Watermark AI Text for EU Compliance

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