Chrome Brings On-Device AI to Browsers via Built-in Gemini Nano APIs

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Google Chrome is rolling out a suite of built-in AI APIs that run Google's Gemini Nano language model directly inside the browser, eliminating the need for backend servers or API keys. Developers can use task-specific tools for summarization, translation, rewriting, and language detection, or tap the general-purpose Prompt API for custom and multimodal tasks. Because all processing happens on-device, user data never leaves their machine and there are no per-token costs. However, the feature is currently limited to desktop devices, requires capable hardware, and involves an initial model download of approximately 4 GB. The APIs are recommended as progressive enhancements rather than primary code paths, with graceful degradation advised for unsupported environments.

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