Pope Leo XIV has released his first major teaching document as pontiff, and it pulls no punches on artificial intelligence. In an encyclical titled Magnifica Humanitas, the Vatican is sounding the alarm about AI’s threat to human dignity, global security, and society itself.
The Pope’s central message is blunt: artificial intelligence must be “disarmed.” And he’s not mincing words about what that means.
The encyclical tackles AI’s most troubling applications head-on. Military use of AI, the Pope warns, removes human judgment from warfare and makes it impossible to justify conflict as morally acceptable. “No algorithm can render war morally acceptable,” the document states.
Beyond the battlefield, the Pope sees danger lurking in how AI is developed and deployed. He warns of a “new digital slavery”—a system that exploits workers in the creation and rollout of AI technology. There’s also the threat of deepfakes and AI-generated misinformation that can sway public opinion and distort truth.
Perhaps most pressingly, the Pope cautions against an AI arms race that could spiral into unprecedented global violence.
At the heart of the encyclical is a simple but profound principle: artificial intelligence should serve humanity, not replace it. While AI might boost education, healthcare, and productivity, it cannot become a substitute for human relationships, moral judgment, or the irreplaceable value of human life.
The Pope drew a historical parallel, comparing today’s AI crisis to the Industrial Revolution—a moment when society failed to protect vulnerable workers until far too late. He suggested we’re at a similar crossroads now.
The encyclical includes a pointed message for those building AI systems: they bear unique ethical responsibility. Every design choice, the Pope says, reflects a vision of what humanity should be.
That responsibility extends to transparency, ethical safeguards, and ensuring technology enhances rather than diminishes human connection.
The Vatican is calling for international cooperation to regulate AI—to prevent weaponization, mass surveillance, and the widening of social inequality. The overarching message is clear: artificial intelligence may mimic human thinking, but it will never capture the full depth of human identity created in God’s image.
