Pope Leo XIV’s First Encyclical Warns AI Threatens ‘Dehumanization,’ Co-Presented by Anthropic’s Christopher Olah

What happened

On May 25, Pope Leo XIV officially published his first encyclical, a major teaching document titled Magnifica humanitas and subtitled “on safeguarding the human person in the time of artificial intelligence.” According to a Reddit user who cited Vatican News, the encyclical warns that the widespread adoption of AI risks “dehumanization” and demands protections for human dignity in an increasingly automated world. The Pope signed the document on May 15, the exact 135th anniversary of Pope Leo XIII’s 1891 encyclical Rerum novarum—the landmark text that established Catholic social teaching on labor and justice during the Industrial Revolution. By selecting that date, the Vatican is explicitly framing artificial intelligence as a civilizational force comparable to industrialization, not merely another consumer technology cycle.

The release event also included a surprise co-presenter: Christopher Olah, co-founder of AI lab Anthropic and head of its interpretability research. While Gizmodo’s initial report noted only an “eyebrow-raising guest,” the Reddit discussion identified Olah and pointed to a Vatican News announcement confirming the May 25 publication and the May 15 signature. The pairing of a leading AI safety researcher with the head of the Roman Catholic Church marks one of the most direct intersections yet between a frontier AI lab and institutional moral authority.

Why it matters

An encyclical is the highest form of papal teaching; it carries doctrinal weight and is studied by Catholic institutions, lawmakers, and civil society organizations worldwide. By dedicating his first encyclical entirely to AI, Pope Leo XIV is signaling that the technology poses an epochal moral challenge. The invocation of Rerum novarum is especially telling: that document shaped modern Catholic views on workers’ rights, property, and the dignity of labor. Applying the same framework to AI suggests the Vatican is preparing to treat algorithmic decision-making, automation, and machine agency as issues of social justice, not just engineering.

Olah’s presence adds a technical dimension. Anthropic’s interpretability team works to reverse-engineer the internal logic of large neural networks, making their outputs more explainable. By co-presenting the encyclical, the Vatican is effectively endorsing the premise that AI systems must be interpretable and transparent to be morally acceptable. For an industry frequently criticized for “black box” deployment, this is a strong signal that opacity may soon be framed not only as a technical risk but as a moral failing.

Public reaction

Online discussion has centered on the gravity of the historical parallel. A Reddit thread in r/ArtificialInteligence noted that the Vatican is treating AI “like the Industrial Revolution instead of just another tech trend,” with the sole top comment calling that framing “pretty concerning.” The thread also highlighted Olah’s participation, reflecting surprise that a top AI safety researcher would share a stage with the Pope for a doctrinal release. While the thread saw limited engagement, it captured a broader tension: curiosity about the encyclical’s contents mixed with skepticism about whether religious authority can shape a field driven by private labs and global competition.

What to watch

The full text of Magnifica humanitas was not widely available in initial reporting, leaving several critical questions open. Does the encyclical name specific AI applications—such as facial recognition, predictive policing, or generative models—or does it remain at the level of general principle? Will it propose concrete policy mechanisms, such as limits on autonomous weapons or algorithmic management, or confine itself to pastoral guidance? And does Christopher Olah’s co-presentation represent a personal appearance or the beginning of a formal relationship between Anthropic and the Holy See?

If the Vatican begins to issue regular pronouncements on AI architecture, data ethics, or labor displacement, technology firms may find themselves answering to a moral authority that moves far slower than product teams—but carries global influence across billions of adherents and numerous governments.

Sources

• Gizmodo: The Pope Warns Against ‘Dehumanization’ in the AI Era Alongside an Eyebrow-Raising Guest
• Reddit r/ArtificialInteligence: Pope Leo XIV's first encyclical is all about AI, and an Anthropic co-founder is co-presenting it
• Vatican News (via Reddit): Pope Leo XIV's first encyclical Magnifica humanitas to be published May 25