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# Google Brings On-Device GenAI to Chrome, Chromebook Plus, and Pixel Watch via LiteRT-LM
- URL: https://www.theleftshift.com/google-brings-on-device-genai-to-chrome-chromebook-plus-and-pixel-watch-via-litert-lm/
- Published: 2025-10-03T06:15:17.000Z
- Updated: 2025-10-03T06:15:17.000Z
- Description: LiteRT-LM has already supported wide deployment of Gemini Nano and Gemma models inside Google products.
- Author: The Left Shift Bureau
- Tags: Developer's Corner, Gadgets

Google has announced that its LiteRT-LM inference engine is now powering on-device generative AI across Chrome, Chromebook Plus, and Pixel Watch. This move lets AI capabilities run directly on devices—without relying on cloud calls—enabling faster responses and greater privacy.

LiteRT-LM has already supported wide deployment of Gemini Nano and Gemma models inside Google products. The new release opens up access for developers, offering a preview C++ interface so they can build custom, high-performance AI pipelines for their own applications. 

> Powering on-device gen AI at scale. Introducing LiteRT-LM, our production inference framework powering built-in features in Chrome, Chromebook Plus, and Pixel Watch.  
>  
> Now, developers can use the same framework to build with our latest on-device open models, like Gemma 3n, Gemma 3… [pic.twitter.com/HF0WhceaLf](https://t.co/HF0WhceaLf?ref=theleftshift.com)
> 
> — Google for Developers (@googledevs) [October 2, 2025](https://twitter.com/googledevs/status/1973796399125840217?ref%5Fsrc=twsrc%5Etfw&ref=theleftshift.com)

The engine forms part of Google’s AI Edge stack, combining LiteRT (the runtime for model execution) and higher-level APIs (e.g. MediaPipe LLM Inference API, Chrome Built-in AI APIs, Android AICore) to let developers choose their level of control.

*"You can already leverage the high-level APIs such as the MediaPipe LLM Inference API, Chrome Built-in AI APIs, and Android AICore to run LLMs on-device, but now, for the first time, we are providing the underlying C++ interface (in preview) of our LiteRT-LM engine,"* Google said in a [blog post](https://developers.googleblog.com/en/on-device-genai-in-chrome-chromebook-plus-and-pixel-watch-with-litert-lm/?ref=theleftshift.com).

LiteRT-LM stands out with its modular, cross-platform architecture. It supports CPUs, GPUs, NPUs, and scales across Linux, Android, macOS, Windows, and even Raspberry Pi. It also enables multiple features to share a single base model using lightweight LoRA adapters.