OpenAI adds invisible text watermarks in EU only, not by default globally
OpenAI will add invisible textGrain watermarks to ChatGPT and Codex outputs in the EU only, to comply with the AI Act, not as a global default—putting pressure on Anthropic, which says it lacks region-specific watermarking.
2026-10-07 ~ 2026-10-08 · 3 related posts
- Episode 1: OpenAI launches textGrain text watermarking, starting in the EU(2026-10-05, 25 posts)
- Episode 2: OpenAI adds invisible text watermarks in EU only, not by default globally(2026-10-07, 3 posts)
- OpenAI enables textGrain text watermarks for EU users with no opt-out — Banania2020 · 2026-10-07
- OpenAI watermarks ChatGPT text only in the EU; will Anthropic follow suit? — vb100 · 2026-10-08
- OpenAI to watermark ChatGPT text in EU only, putting Anthropic's global plan under pressure — vb100 · 2026-10-08