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Does Google watermark AI content from Gemini?
Google applies SynthID, an invisible watermark embedded in the content itself, to media from its generative models. It is designed to survive some edits, and Google publishes a detector for it. Google’s generative AI terms cover what you may do with the output.
What this means for marketers
No action required. Worth considering: expect Gemini output to carry a detectable mark, and plan your labeling around that rather than hoping nobody checks.
Primary source Google DeepMind: SynthID (Living product page)
- Google: generative AI additional terms (Living policy page)
Links checked September 25, 2026
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