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Google Chrome Is Installing a 4 GB AI Model Onto Your Device. Here’s How You Can Turn It Off

Chrome installs a 4 GB Gemini Nano file without permission and can redownload it after deletion, while users can turn the feature off in flags.

  • Google Chrome is silently installing a roughly 4 GB Gemini Nano AI model on user devices without requesting permission, with the file downloading automatically once hardware requirements are met.
  • Privacy professional Alexander Hanff discovered this behavior using filesystem event logs, documenting that Chrome ignores user deletion attempts by treating them as a transient state to be corrected.
  • Users can locate the file in a folder called 'OptGuideOnDeviceModel' or disable the download by searching 'Enables optimization guide on device' within 'chrome://flags.'
  • Tech journalist Rachit Agarwal stated Google should require user confirmation for downloads, while Hanff warned the automatic installation carries an overarching climate impact due to widespread deployment.
  • Google Chrome faces heat from a new wave of AI browsers including Perplexity Comet and Dia. To stay relevant, Google is adding AI features to Chrome, though critics argue this approach has taken a step too far.
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Last year, Google started turning Chrome into a browser with AI in response to threats from popular competitors. Recent reports have revealed that this transition includes the silent installation of a large...

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Tech Spot broke the news on Tuesday, May 5, 2026.
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