Is Chrome’s 4GB “weights.bin” file spyware? The truth behind the viral warnings

TL;DR Users noticed Google Chrome silently downloading a 4GB file called “weights.bin” in the background, sparking privacy concerns. This file actually helps run Gemini Nano on-device, improving privacy by processing AI requests locally rather than sending data to the cloud. Users frustrated by the storage hit can stop the downloads by disabling specific Chrome flags before deleting the model folder.