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.

Earlier this week, Mark Zuckerberg published a memo outlining his vision to build AI "superintelligence." Citing "safety concerns," he wrote that Meta would need to be "rigorous" about what it open sources and what it doesn't.

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,