The new memo is pretty meandering, and Zuckerberg followed up with comments on Meta’s Q2 earnings call, saying that nothing had particularly changed. He said the company had always “open-sourced some of our models and not open-sourced everything that we've done.”

Meta is shifting how it plans to ensure widespread access to superintelligence, a suggestion that the company’s most advanced AI may remain closed so that Meta can stay in the driver’s seat.

In a new open letter, Mark Zuckerberg wrote that he is “extremely optimistic” that super-intelligent AI will play a major role in moving humanity forward. And unlike some other big players in the AI industry,