The Pixel was released on the 20 October 2016^[1], which marks the beginning of its update period. On the 8 September 2020, the Android 11 was released, a next version of the operating system, which not made available for the Pixel, thus leaving Pixel on the the previous version of the operating system, the Android 10. This date marks the end of what we consider its update lifetime.

These two dates are 3 full years and 11 full months apart, which gives it B- tier.