Google Chrome now downloads a 4GB LLM called Gemini Nano on chrome browsers.

To disable this Type chrome://flags into the address bar. Search for "Enables optimization guide on device on Android." Set the dropdown to Disabled. This flag also shows whether a device is eligible for the feature. Older hardware might not qualify, and the download seems to be limited to newer machines. Quoted from this article: https://www.ghacks.net/2026/05/06/google-chrome-is-silently-downloading-a-4gb-gemini-nano-ai-model-to-user-devices-without-consent/