- Google has published an explanation on the official “Android Help” site regarding “Android AICore,” the system app for its state-of-the-art large language model, “Gemini Nano.”
- The “Android AICore” app is designed to run “Gemini Nano”—a highly efficient AI model specifically engineered for mobile devices—locally on the device.
- To ensure reliable operation, the “Android AICore” app retains both old and new versions of its data for up to 3 days following an update.
In early May 2026, Google published official documentation on the “Android Help” site for “Android AICore.” Originally deployed for the Pixel 8 and later, the app is now available for non-Pixel Android devices running Android 14 or higher.
The “Android AICore” app is designed to execute “Gemini Nano,” a highly efficient AI model built specifically for mobile devices, directly on the device. While standard services like “Gemini” typically send data to external servers, Android devices equipped with AICore perform AI processing locally on the device’s processor. This ensures fast, stable performance even when offline, while maintaining user privacy.
The “Android AICore” app powers various AI features in compatible applications, including summarization in the “Recorder” app, “Smart Reply” and text correction/proofreading in “Gboard,” scam detection in the “Google Phone” and “Google Messages” apps, and “Google Translate.” Because “Android AICore” is distributed via the “Google Play Store,” the latest “Gemini Nano” model is kept up to date through app updates, allowing users to leverage the newest AI capabilities without needing to update each individual app. Furthermore, following the same privacy-first philosophy as the Android “Private Compute Core” system app, AI processing remains isolated from the network even when the device is online. This ensures that data processed by “Android AICore” is not sent to the cloud, protecting user privacy.
Users may occasionally notice the “Android AICore” app using more storage than expected; this is a normal part of the background update process for the “Gemini Nano” model. Additionally, to guarantee functional reliability, the app retains data for both the old and new versions for up to 3 days following an update.
This failsafe specification ensures that if an error occurs in a new version, the system can instantly roll back to the previous version. Once stability is confirmed, the older app data is automatically cleared.
Through the “Android AICore” app, Google aims to shift AI features that typically rely on cloud resources to a local execution model, accelerating the standardization of on-device AI across the Android ecosystem. App developers can also significantly enhance convenience by leveraging the “Android AICore” framework.
About Android AICore
With Android AICore, you can run generative AI features directly on your Android phone or tablet’s hardware. This system service manages large-scale Artificial Intelligence (AI) models on your Android device. It keeps these tools fast, completely private, and available even without an internet connection.
How it works
Important:
- This service is available on devices with Android 14 and higher.
- Feature availability varies by device and manufacturer.
- You may occasionally find a temporary increase in storage use. This is normal during background updates. Learn why AICore uses large amounts of storage.
With Android AICore, your device can run Gemini Nano, a highly efficient AI model designed specifically for mobile devices. Unlike traditional AI features that send your data to an external server, these tasks are performed locally with your Android phone or tablet’s built-in processor to always keep your data fully private on your device.
In local data processing, AICore provides several key advantages:
- Enhanced privacy: Sensitive information remains on your device. It’s never sent to the cloud or to Google.
- Offline functionality: AI-powered features work even when you have no network connection or are in Airplane mode. This includes text summarization and smart replies.
- Faster and more consistent performance: Local processing removes the lag associated with cloud-based services providing a faster and more reliable experience.
Discover powered features
This service runs in the background and provides intelligence to various apps. Common features include:
- Advanced proofreading: It enhances grammar correction and language understanding as you type.
- Automatic Speech Recognition (ASR): It converts streamed audio and audio files into text transcripts.
- Scam detection: It identifies messages that can be considered spam or scams.
- Smart reply: It provides high-quality, context-aware response suggestions in messaging apps. For example, it works in WhatsApp, Line, and KakaoTalk through Gboard.
- Summarization: It automatically creates concise summaries of recorded audio. For example, it works in the Recorder app.
- Translation: It easily translates text from one language to another.
Protect your privacy
To protect your privacy, AICore is designed to process information locally.
Features like note summarization or smart replies happen entirely on your Android phone or tablet’s hardware. For these tasks, your personal data is never sent to the cloud or shared over the internet. This keeps your information strictly under your control.
Troubleshoot issues
Why storage use increases
You may occasionally find that this service uses a larger amount of storage than expected. This occurs when the system is updating to a new version of an AI model in the background.
To make sure features work reliably, your device temporarily keeps both the old and new versions of the model for up to 3 days. This fail-safe allows your phone to instantly revert to an older version if the new update encounters an error, rather than having to download gigabytes of data again.
When the system confirms the update is stable, the extra storage space clears automatically.
About Android AICore – Android ヘルプ
Source：Google
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