The deal follows Google’s $2.4 billion investment in Windsurf, an A.I. start-up, as companies race to gain technological talent and provide A.I. tools.
Meta’s antitrust trial, in which the government contends the company killed competition by buying young rivals, hinges on unknowable alternate versions of Silicon Valley history.
In a meeting with Meta employees on Thursday, Mr. Zuckerberg also doubled down on recent changes to the company’s online speech policies and ending its…