Meta Platforms Inc. today debuted a new reasoning model, Muse Spark, that is highly adept at answering health questions and analyzing multimodal data.

Shares of Meta Platforms rose 6% after the company announced its first major new artificial-intelligence model in more than a year.

Meta Platforms rallied after the Facebook owner unveiled a new large language model named Muse Spark, its first major new artificial-intelligence model in more than a year.