Pope Leo XIV to Launch First Papal AI Encyclical Amid Vatican Warning

The historic launch marks the first time a pope will personally present an encyclical on artificial intelligence. The ceremony at the Vatican will include senior Church officials and leading technologists, among them the co‑founder of Anthropic, an American AI startup currently fighting a legal battle with the U.S. military over the use of its Claude model for surveillance and autonomous weapons.

*Magnifica Humanitas* was signed on May 15, the 135th anniversary of Leo XIII’s 1891 social‑doctrine encyclical. The new document expands the Church’s social teaching to the digital age, urging “digital literacy” and stressing that education alone will not safeguard humanity in an era of powerful algorithms.

In a recent address, Pope Leo XIV described the delegation of lethal decisions to machines as a “destructive spiral.” He linked this risk to broader AI threats, including reality distortion through hyper‑realistic simulations and environmental harm from rare‑earth mining required for electronic components.

The United Nations estimates AI’s global market could reach $4.8 trillion by 2033, a 25‑fold increase from a decade ago, concentrating wealth in the hands of a few corporations. The Vatican’s warning arrives as policymakers worldwide grapple with calls for regulation, echoing Pope Francis’s earlier pleas for AI oversight to curb inequality.

Experts compare the potential impact of *Magnifica Humanitas* to Pope Francis’s 2015 climate encyclical *Laudato Si*, which sparked international policy debates. Political scientist Marijana Grbesa, speaking at a Vatican AI conference, likened today’s AI surge to the Industrial Revolution, noting that societies then needed to train workers on new tools—today they must train citizens to understand algorithmic influence.

The encyclical’s release follows years of Vatican study, beginning with the 2020 “Rome Appeal for an AI Ethic,” which called for technology that respects human dignity. Leo’s consistent focus on AI ethics positions the Church as a moral stakeholder in the fast‑moving tech landscape.

What it means: The Vatican is positioning itself as a global voice on AI governance, urging transparency, accountability, and human‑centered design. As AI’s economic footprint expands, the Church’s moral framework could shape future regulatory discussions.

What to watch next: Reactions from governments, tech firms, and civil‑society groups to the encyclical’s recommendations, and any concrete policy proposals that emerge in the coming months.