Consider that it's not Google as a whole, it's the keyboard team, who obviously have only a small fraction of Google's compute power. Also, gboard is installed

Consider that it's not Google as a whole, it's the keyboard team, who obviously have only a small fraction of Google's compute power. Also, gboard is installed on between 500 million and 1 billion phones. https://play.google.com/store/apps/details?id=com.google.android.inputmethod.latin&hl=en_GB https://play.google.com/store/apps/details?id=com.google.and... So I can't confidently dismiss the computational cost away just yet.