Google Opens SynthID Detector Globally With Partner AI Content Checks

Google opened its SynthID Detector to everyone globally in English on October 7, 2026, when an announcement on The Keyword said the portal at synthid.com now checks images, video, and audio for AI watermarks from Google and partners OpenAI, NVIDIA, and Kakao, with Apple to follow. The post, written by Pushmeet Kohli, VP of Science and Strategic Initiatives at Google DeepMind, follows an early version of the Detector that Google introduced in 2025 for media professionals.

The SynthID Detector site is explicit about its scope, stating in its FAQ: “This is not a general AI detector.” It can identify only media from companies that have adopted SynthID technology, and it says work continues on extending partnerships to cover more generated media. Google reported that since launching SynthID in 2023, it has watermarked more than 180 billion images and videos, along with 240,000 years of audio content.

The company said the public Detector joins built-in verification features in Search, the Gemini app, and Chrome, which it said now regularly handle over 1 million requests daily. Those built-in features were documented earlier…