Report Says Chrome Automatically Downloads 4GB Gemini Nano Model
Summary
Computer scientist Alexander Hanff says Chrome downloads a hidden 4GB Gemini Nano model file and may redownload it after deletion. He raises privacy and environmental concerns; Google has not officially responded.
Key points
- Alexander Hanff alleges Chrome downloads a roughly 4GB weights.bin file without notifying users or offering an opt-in.
- The article says the file supports Gemini Nano features including “Help me write” and local fraud detection.
- The file is reportedly stored in obscure system locations and may be downloaded again after users delete it.
- Hanff says users can disable relevant AI settings through chrome://flags.
- Hanff estimates that distributing the file to 500 million devices could generate about 30,000 metric tons of CO2e from data transmission alone.
- The article raises possible GDPR concerns; Google has not issued an official response.
Article Details
- Event Type
- Reported automatic download of an on-device AI model by Google Chrome without user notification or an opt-in prompt
- Impact
- The reported download of the approximately 4GB weights.bin file may consume users’ storage and raises concerns about consent and privacy compliance. The article says Chrome can download the file again after deletion. Alexander Hanff estimated that distribution to 500 million devices could generate about 30,000 metric tons of CO2e from transmission alone; this is an estimate, not a measured impact. Google had not issued an official response at the time of publication.
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Gemini NanoGoogle Chrome is reportedly downloading a hidden 4GB weights.bin file in the background to support Gemini Nano on-device AI features without user consent or an opt-in prompt.Google ChromeGoogle Chrome is reportedly downloading a hidden 4GB weights.bin file in the background to support Gemini Nano on-device AI features without user consent or an opt-in prompt.