Chrome’s AI features may be hogging 4GB of your computer storage

TL;DR AI
2 min readKey summary
Chrome’s on-device AI features may silently download a 4GB Gemini Nano weights.bin file.
The file appears tied to features like OptGuideOnDeviceModel and can consume significant local storage.
Users report it may be reinstalled unless On-Device AI is turned off in Chrome settings.
The issue raises transparency and storage-usage concerns for users enabling Chrome’s AI tools.



