Major artificial-intelligence companies including OpenAI, Meta Platforms META 0.20%increase; green up pointing triangle and Google GOOGL -0.31%decrease; red down pointing triangle agreed on Tuesday to incorporate new safety measures to protect children from exploitation and plug several holes in their current defenses.

A host of new generative-AI powered tools have supercharged predators’ ability to create sexualized images of children and other exploitative material. The goal of the new alliance is to throttle the creation of such content before these tools can proliferate and hurt more children, according to Thorn, the child-safety group that helped organize the initiative along with the nonprofit organization All Tech Is Human.