Petition was signed by more than 350 engineers, researchers and recognized personalities in the field of artificial intelligence. Signatures include bosses of some of the largest companies in this industry, as well as many of their employees.

Meta (formerly Facebook) is however absent. "Superhuman AI is far from being at the top of the list of existential risks for humanity, largely because it does not yet exist," says Yann Le Cun, director of fundamental AI research at the social media giant.