What is the Vatican's position on AI?

In the encyclical Magnifica Humanitas and later addresses, Pope Leo XIV says AI should serve the human person and the common good, that machines are tools and not persons, and that decisions on life, freedom and the use of force must stay under responsible human oversight.

Does the Holy See support a ban on autonomous weapons?

Yes. On 30 October 2026 Pope Leo XIV encouraged the states meeting in Geneva in November to take concrete steps toward banning lethal autonomous weapons, as Pope Francis had urged in 2024.

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The Holy See is the central government of the Catholic Church, led by the Pope and based in Vatican City.

Pope Leo XIV in red and gold vestments waves from the central balcony of St. Peter's Basilica beside clergy and camera operators. — Pope Leo XIV says AI must be disarmed and urges states to ban lethal autonomous weapons

AI Policy & Regulation31 Oct 2026, 14:05 UTC

Pope Leo XIV told a Vatican AI meeting on 30 October 2026 that machines are tools, not persons, and urged states to ban lethal autonomous weapons.

Summary

Pope Leo XIV addressed a Vatican meeting on the future of AI on 30 October 2026, organized by the Pontifical Academy for Life and the Future of Life Institute. He said machines are tools, not persons, that some decisions must never be delegated, and that international institutions must enforce shared standards. He said AI must be disarmed and urged states meeting in Geneva in November to move toward banning lethal autonomous weapons.

About Holy See

The Holy See is the central government of the Catholic Church, led by the Pope and based in Vatican City. Under Pope Leo XIV, elected in May 2025, it has made artificial intelligence a main theme, with the May 2026 encyclical Magnifica Humanitas and repeated calls for human oversight of AI and a ban on lethal autonomous weapons.

Reviewed 31 Oct 2026

Facts at a glance

Head: Pope Leo XIV
Main AI document: Encyclical Magnifica Humanitas, on safeguarding the human person in the time of artificial intelligence, 15 May 2026 source
Position on autonomous weapons: Encourages states meeting in Geneva in November 2026 to take concrete steps toward banning lethal autonomous weapons (address of 30 October 2026) source
AI dialogue: Pontifical Academy for Life and Future of Life Institute meeting on the future of AI, Consistory Hall, 30 October 2026 source

Questions people ask

What is the Vatican's position on AI?: In the encyclical Magnifica Humanitas and later addresses, Pope Leo XIV says AI should serve the human person and the common good, that machines are tools and not persons, and that decisions on life, freedom and the use of force must stay under responsible human oversight.
Does the Holy See support a ban on autonomous weapons?: Yes. On 30 October 2026 Pope Leo XIV encouraged the states meeting in Geneva in November to take concrete steps toward banning lethal autonomous weapons, as Pope Francis had urged in 2024.

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Pope Leo XIV says AI must be disarmed and urges states to ban lethal autonomous weapons