# ⚡️ Claude now leaves an invisible watermark directly in generated text

*Published on: Tue, 11 Aug 2026 12:32:39 GMT*

⚡️ Claude now leaves an invisible watermark directly in generated text

The watermark is created at the model level and becomes part of the text itself. It survives normal copy paste and can still be detected after publishing. For files, Anthropic separately adds signed metadata.

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