Google has introduced a video verification feature in its Gemini application, allowing users to authenticate content and discover if it was created or edited using Google AI. Announced on December 18, 2025, this feature supports video uploads up to 100 MB and 90 seconds in length. Using SynthID watermarking technology, the system can detect imperceptible markers within audio and visual tracks, offering timestamp-specific feedback about AI-generated segments. This tool is crucial for addressing growing concerns about misinformation and synthetic media, especially in digital advertising, where transparency is vital. Gemini’s verification capabilities extend to multiple languages and countries, helping users comply with regulatory requirements for AI-generated content. By differentiating between synthetic and authentic elements, Google aims to enhance content authenticity, particularly for marketers navigating evolving disclosure obligations. This move positions Google at the forefront of developing standards for content verification in an increasingly complex digital landscape.
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