- The “Smart Reply” extension rolled out to the “Google Pixel Watch 3” and “Google Pixel Watch 4” features an evolved version of “Smart Reply” that functions even when the watch is not connected to the host Android device.
- This is a benefit resulting from the implementation of a high-performance derivative AI model based on “Gemma.”
- Thanks to this Gemma-based derivative AI model, memory efficiency has improved by 3x and response speed has doubled.
On Tuesday, December 9, 2025, alongside the rollout of the “Wear OS 6.1” minor OS update for the Google Pixel Watch 3 and Google Pixel Watch 4, the “Smart Reply” extension based on the high-performance AI model “Gemma” began its deployment.
A key feature of the “Smart Reply” extension released for the Google Pixel Watch 3 and Google Pixel Watch 4 is that the evolved “Smart Reply” functions even when the watch is not connected to the paired Android device. As mentioned above, this is a direct benefit of the implementation of a high-performance derivative AI model based on “Gemma.”
Furthermore, the “Smart Reply” extension offers even more; thanks to the Gemma-based derivative AI model, memory efficiency has improved threefold and response speed has doubled. In short, Google Pixel Watch 3 and Google Pixel Watch 4 users can now utilize an on-device “Smart Reply” with significantly enhanced efficiency and speed.
On Thursday, January 15, 2026, Google reiterated these details on the official Google Pixel Watch Help site.
Source：Google
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