Wasn't there a news sometimes before that Sundar and Demis didn't get along. Only after ChatGPT, Sundar got orders from above to set house in order and focus everything on this and not other fundamental research projects which Demis likes to work on.
Better OCR with 4% difference, better international ASR, 10% decrease.
Seeing Demis Hassabis name in the announcement makes you think they really trust this one.