tech
December 19, 2025
Google’s Gemini app can check videos to see if they were made with Google AI
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TL;DR
- Gemini's AI verification feature now supports videos generated or edited with Google's AI models.
- Users can ask Gemini if a video was generated using Google AI.
- The feature scans video and audio for Google's SynthID watermark, indicating specific times of appearance.
- This capability was previously rolled out for images made or edited with Google AI.
- Google describes its SynthID watermark as "imperceptible."
- The effectiveness of removing the watermark and its detection by other platforms is unknown.
- Google's Nano Banano AI model embeds C2PA metadata, but a lack of coordinated tagging hinders deepfake detection.
- Gemini can verify videos up to 100 MB and 90 seconds in length.
- The feature is available in all languages and locations where the Gemini app is offered.
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