# OpenAI is adding text watermarking in ChatGPT and Codex

An invisible, machine-readable watermark in text output is rolling out to ChatGPT and Codex, but only for users in the European Union at first. OpenAI says its textGrain watermarking "matched or exceeded" other approaches like Google DeepMind's SynthID for text, which is also the



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## 출처
- The Verge: https://www.theverge.com/ai-artificial-intelligence/1004880/openai-chatgpt-text-watermarks-eu-ai-act (발표 2026-10-05T18:08:39.000Z)

작성: TUMN 큐레이션 · AI 보조: false
발행: 2026-10-05T18:08:39.000Z
확인: 2026-10-05T19:24:28.989Z
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