Members of the lab, including the new chief A.I. officer, Alexandr Wang, have talked about abandoning Meta’s most powerful open source A.I. model in favor of developing a closed one.

Meta’s newly formed superintelligence lab has discussed making a series of changes to the company’s artificial intelligence strategy, in what would amount to a major shake-up at the social media giant.

Last week, a small group of top members of the lab, including Alexandr Wang, 28, Meta’s new chief A.I. officer, discussed abandoning the company’s most powerful open source A.I. model, called Behemoth, in favor of developing a closed model, two people with knowledge of the matter said.

For years, Meta has chosen to open source its A.I. models, which means it makes the computer code public for other developers to build on. Closed models keep their underlying code private. Meta executives have long argued it is better for the technology to be