Apps like OpenAI’s Sora are fooling millions of users into thinking A.I. videos are real, even when they include warning labels.

© The New York Times

Right-wing users have tapped A.I. tools to promote President Trump’s agenda. He took notice.

A blame game has played out on the internet and on television. President Trump has pulled out the stops.

© Eric Lee for The New York Times

Once pitched as dispassionate tools to answer your questions, A.I. chatbots are now programmed to reflect the biases of their creators.

© Andria Lo for The New York Times