The encyclical, signed on the 135th anniversary of Rerum Novarum, is expected to condemn AI in warfare and address its impact on workers' rights. Olah leads Anthropic's interpretability research.

Billionaire Anthropic co-founder Chris Olah will join Pope Leo XIV at the Vatican, where Leo will present the first encyclical letter of his papacy on artificial intelligence.

Pope Leo XIV and Anthropic's co-founder Christopher Olah are set to launch the pontiff’s first encyclical on May 25.