It appears Google has determined that your PC wants a healthy dose of AI, whether or not you requested for it or not. Safety researcher Alexander Hanff, also referred to as “That Privateness Man,” has printed a brand new report claiming that Google Chrome silently downloads a roughly 4GB AI mannequin onto customers’ machines with out discover or consent.
The file in query is named weights.bin, and it’s a part of Google’s on-device Gemini Nano AI mannequin. Chrome shops it inside a folder known as OptGuideOnDeviceModel, situated deep in your system’s Chrome Person Information listing. On Home windows, that path is C>Customers>AppData>Native>Google>Chrome>Person Information. The mannequin is used to energy AI options like rip-off detection regionally in your gadget, reasonably than sending your information to the cloud.
Maybe extra regarding is what occurs in the event you attempt to eliminate it. Based on Hanff’s analysis, deleting the file does nothing, as Chrome merely re-downloads it routinely. The one approach to cease that is to disable the function via Chrome’s settings, which Google reportedly made accessible in February 2026. As soon as turned off, the mannequin will now not obtain or replace.
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To conduct his testing, Hanff arrange a contemporary Chrome profile on macOS and used the OS’s personal filesystem occasion logs to trace precisely what the browser was doing within the background. He discovered that Chrome evaluated the system’s {hardware}, marked it as eligible, and downloaded the complete 4GB payload in simply over 14 minutes, all with none person interplay.
Past the plain privateness issues about software program being put in with out consent, Hanff additionally argues that the follow seemingly violates EU privateness legislation, together with the ePrivacy Directive and the GDPR. There may be additionally an environmental angle to contemplate. Hanff estimates that if the mannequin have been deployed throughout tons of of tens of millions of Chrome customers, the power required simply to distribute the file might attain tons of of gigawatt-hours, translating to tens of hundreds of tons of CO2 emissions.
The maths is determined by assumptions about scale and power necessities, however the broader level nonetheless stands. That is very true for customers on metered connections, cell hotspots, or with restricted information plans, the place a silent 4GB obtain can have very actual monetary penalties.
For Google, the timing shouldn’t be splendid. The corporate is already going through antitrust scrutiny throughout a number of jurisdictions, and this discovery feeds into a well-known criticism that Large Tech permits options by default for its personal profit, burying the opt-out deep in settings menus. Whether or not regulators push again and the way customers reply will seemingly form how aggressively Google and different firms can proceed this sort of deployment going ahead.
