Pope Leo calls for the disarmament of AI: ‘Machines are tools, not persons’
UN member states should take steps to ban ‘lethal autonomous weapons,’ Pope Leo says.
UN member states should take steps to ban ‘lethal autonomous weapons,’ Pope Leo says.
by Emma RothOct 30, 2026, 2:58 PM UTC Emma Roth is a news writer who covers the streaming wars, consumer tech, crypto, social media, and much more. Previously, she was a writer and editor at MUO.
Pope Leo XIV says AI systems should be “disarmed,” adding that humans “have the responsibility to guide, change and, when necessary, reject its applications.” In Friday’s Papal Address, Pope Leo encourages United Nations member states to “take concrete steps toward banning lethal autonomous weapons” during their meeting in Geneva next month.
The address reflects many of the ideas Pope Leo laid out in his first major papal document in May, which highlighted “safeguarding the human person in the time of artificial intelligence.” In line with his encyclical, Pope Leo tells participants that “Machines are tools, not persons,” and warns about the dangers of granting AI systems rights or legal personhood. “Decisions affecting human life, freedom, and the use of force must always remain subject to effective, informed, and responsible human oversight,” Pope Leo says.
In 2024, Pope Francis similarly called for a ban on autonomous weapons, saying, “No machine should ever choose to take the life of a human being.” AI has become a popular topic for Pope Leo, who suggests he chose his name because he must confront advances in the technology — similar to how Pope Leo XIII presided over the church at the forefront of the Industrial Revolution.
Pope Leo closes out his address by calling for international institutions to safeguard the common good from AI-related risks, along with “shared standards, independent oversight and clear mechanisms of accountability so that decisions concerning the development and use of AI can be examined, challenged when necessary, and accompanied by appropriate remedies for any harm caused.”
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