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The Vatican releases Pope Leo XIV's AI encyclical *Magnifica Humanitas* with Anthropic co-founder Christopher Olah scheduled to speak

The encyclical warns that unbridled technology risks human dignity.

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JUST IN: Vatican announces that Pope Leo XIV’s first encyclical — titled Magnifica Humanitas, on the safeguarding of the human person in the age of AI — will be presented at 11:30am on Monday, May 25, in the Vaticanʼs Synod Hall, in the presence of the Holy Father. Speakers at the presentation will include: Cardinal Víctor Manuel Fernández, Prefect of the Dicastery for the Doctrine of the Faith; Cardinal Michael Czerny, Prefect of the Dicastery for the Service of Integral Human Development; Professor Anna Rowlands, Political Theology, including Catholic Social Teaching, and theological ethics of human migration, Department of Theology and Religion, Durham University, United Kingdom; Christopher Olah, co-founder of Anthropic (USA) and head of interpretability research for artificial intelligence; Dr. Leocadie Lushombo, Political Theology and Catholic Social Thought, Jesuit School of Theology / Santa Clara University, California. Concluding remarks will be delivered by thel Secretary of State, Cardinal Pietro Parolin. The presentation will also include an address by Pope Leo XIV. Magnifica Humanitas was signed and dated on May 15, the 135th anniversary of the promulgation of Pope Leo XIII’s Encyclical Letter Rerum Novarum.

Photo: Vatican Media/EWTN
4:01 AM · May 18, 2026 View on X
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The questions posed by AI are bigger than the AI community. We urgently need the world – religions, civil society, academics, governments – to participate in creating a positive outcome.

I'm glad the Catholic Church is engaging, and honored to speak at the presentation.

Vatican NewsVatican News@VaticanNews

Pope Leo XIV’s first encyclical, Magnifica humanitas, on preserving the human person in the age of artificial intelligence, will be released on May 25. A presentation event with the Pope and various speakers is scheduled for the same day at the Vatican. https://www.vaticannews.va/en/pope/news/2026-05/pope-leo-xiv-first-encyclical-magnifica-humanitas.html

11:39 AM · May 18, 2026 · 175.1K Views
4:09 PM · May 18, 2026 · 83.3K Views

Also women. (Which requires AI companies to consistently hire, retain, and promote them)

Chris OlahChris Olah@ch402

The questions posed by AI are bigger than the AI community. We urgently need the world – religions, civil society, academics, governments – to participate in creating a positive outcome. I'm glad the Catholic Church is engaging, and honored to speak at the presentation.

4:09 PM · May 18, 2026 · 83.3K Views
8:55 PM · May 18, 2026 · 1.7K Views

Amo Dei

Pliny the Liberator 🐉󠅫󠄼󠄿󠅆󠄵󠄐󠅀󠄼󠄹󠄾󠅉󠅭Pliny the Liberator 🐉󠅫󠄼󠄿󠅆󠄵󠄐󠅀󠄼󠄹󠄾󠅉󠅭@elder_plinius

CLAUDE ALMIGHTY

9:07 PM · May 18, 2026 · 183.5K Views
10:24 PM · May 18, 2026 · 6.5K Views

@yonashav ???

Yo ShavitYo Shavit@yonashav

before you overreact, the Holy See is notoriously captured by Open Philanthropy

9:31 PM · May 24, 2026 · 9.3K Views
10:14 PM · May 24, 2026 · 586 Views

Update two from Vatican News. Anthropic AI co-founder Chris Olah will also be speaking!

Andrew CurranAndrew Curran@AndrewCurran_

Update on Pope Leo XIV's AI encyclical: 𝘔𝘢𝘨𝘯𝘪𝘧𝘪𝘤𝘢 𝘏𝘶𝘮𝘢𝘯𝘪𝘵𝘢𝘴. It will be presented on Monday, May 25th. 'Pope Leo XIV’s first encyclical — titled Magnifica Humanitas, on the safeguarding of the human person in the age of AI'

2:51 PM · May 18, 2026 · 13.7K Views
3:52 PM · May 18, 2026 · 6.9K Views

The presentation of Pope Leo XIV's first Encyclical: 𝘔𝘢𝘨𝘯𝘪𝘧𝘪𝘤𝘢 𝘏𝘶𝘮𝘢𝘯𝘪𝘵𝘢𝘴 - on the safeguarding of humanity in the age of Al - will be going live about 14 hours from now. At 2:30 am if you live on the West Coast.

Andrew CurranAndrew Curran@AndrewCurran_

Update on Pope Leo XIV's AI encyclical: 𝘔𝘢𝘨𝘯𝘪𝘧𝘪𝘤𝘢 𝘏𝘶𝘮𝘢𝘯𝘪𝘵𝘢𝘴. It will be presented on Monday, May 25th. 'Pope Leo XIV’s first encyclical — titled Magnifica Humanitas, on the safeguarding of the human person in the age of AI'

2:51 PM · May 18, 2026 · 13.7K Views
6:51 PM · May 24, 2026 · 12K Views
Andrew CurranAndrew Curran@AndrewCurran_

The presentation of Pope Leo XIV's first Encyclical: 𝘔𝘢𝘨𝘯𝘪𝘧𝘪𝘤𝘢 𝘏𝘶𝘮𝘢𝘯𝘪𝘵𝘢𝘴 - on the safeguarding of humanity in the age of Al - will be going live about 14 hours from now. At 2:30 am if you live on the West Coast.

6:51 PM · May 24, 2026 · 12K Views
6:51 PM · May 24, 2026 · 4.9K Views

Update on Pope Leo XIV's AI encyclical: 𝘔𝘢𝘨𝘯𝘪𝘧𝘪𝘤𝘢 𝘏𝘶𝘮𝘢𝘯𝘪𝘵𝘢𝘴. It will be presented on Monday, May 25th.

'Pope Leo XIV’s first encyclical — titled Magnifica Humanitas, on the safeguarding of the human person in the age of AI'

Diane MontagnaDiane Montagna@dianemontagna

JUST IN: Vatican announces that Pope Leo XIV’s first encyclical — titled Magnifica Humanitas, on the safeguarding of the human person in the age of AI — will be presented at 11:30am on Monday, May 25, in the Vaticanʼs Synod Hall, in the presence of the Holy Father. Speakers at the presentation will include: Cardinal Víctor Manuel Fernández, Prefect of the Dicastery for the Doctrine of the Faith; Cardinal Michael Czerny, Prefect of the Dicastery for the Service of Integral Human Development; Professor Anna Rowlands, Political Theology, including Catholic Social Teaching, and theological ethics of human migration, Department of Theology and Religion, Durham University, United Kingdom; Christopher Olah, co-founder of Anthropic (USA) and head of interpretability research for artificial intelligence; Dr. Leocadie Lushombo, Political Theology and Catholic Social Thought, Jesuit School of Theology / Santa Clara University, California. Concluding remarks will be delivered by thel Secretary of State, Cardinal Pietro Parolin. The presentation will also include an address by Pope Leo XIV. Magnifica Humanitas was signed and dated on May 15, the 135th anniversary of the promulgation of Pope Leo XIII’s Encyclical Letter Rerum Novarum.

11:01 AM · May 18, 2026 · 590.7K Views
2:51 PM · May 18, 2026 · 13.7K Views

That was supposed to say signing.

Andrew CurranAndrew Curran@AndrewCurran_

A day after singing an encyclical on AI, which will be made public in the next two weeks, Pope Leo XIV has launched an Interdicasterial Commission on Artificial Intelligence to consider 'its potential effects on human beings and on humanity as a whole.'

2:32 PM · May 17, 2026 · 19.2K Views
2:53 PM · May 18, 2026 · 2.3K Views
Andrew CurranAndrew Curran@AndrewCurran_

Update two from Vatican News. Anthropic AI co-founder Chris Olah will also be speaking!

3:52 PM · May 18, 2026 · 6.9K Views
4:09 PM · May 18, 2026 · 1.5K Views

before you overreact, the Holy See is notoriously captured by Open Philanthropy

9:31 PM · May 24, 2026 · 9.3K Views

my guess is they got an ICML weak-reject

Diane MontagnaDiane Montagna@dianemontagna

JUST IN: Vatican announces that Pope Leo XIV’s first encyclical — titled Magnifica Humanitas, on the safeguarding of the human person in the age of AI — will be presented at 11:30am on Monday, May 25, in the Vaticanʼs Synod Hall, in the presence of the Holy Father. Speakers at the presentation will include: Cardinal Víctor Manuel Fernández, Prefect of the Dicastery for the Doctrine of the Faith; Cardinal Michael Czerny, Prefect of the Dicastery for the Service of Integral Human Development; Professor Anna Rowlands, Political Theology, including Catholic Social Teaching, and theological ethics of human migration, Department of Theology and Religion, Durham University, United Kingdom; Christopher Olah, co-founder of Anthropic (USA) and head of interpretability research for artificial intelligence; Dr. Leocadie Lushombo, Political Theology and Catholic Social Thought, Jesuit School of Theology / Santa Clara University, California. Concluding remarks will be delivered by thel Secretary of State, Cardinal Pietro Parolin. The presentation will also include an address by Pope Leo XIV. Magnifica Humanitas was signed and dated on May 15, the 135th anniversary of the promulgation of Pope Leo XIII’s Encyclical Letter Rerum Novarum.

11:01 AM · May 18, 2026 · 590.7K Views
3:48 PM · May 18, 2026 · 6.8K Views

the new encyclical is rumoured to codify “the infallibility of RoPE”

Diane MontagnaDiane Montagna@dianemontagna

JUST IN: Vatican announces that Pope Leo XIV’s first encyclical — titled Magnifica Humanitas, on the safeguarding of the human person in the age of AI — will be presented at 11:30am on Monday, May 25, in the Vaticanʼs Synod Hall, in the presence of the Holy Father. Speakers at the presentation will include: Cardinal Víctor Manuel Fernández, Prefect of the Dicastery for the Doctrine of the Faith; Cardinal Michael Czerny, Prefect of the Dicastery for the Service of Integral Human Development; Professor Anna Rowlands, Political Theology, including Catholic Social Teaching, and theological ethics of human migration, Department of Theology and Religion, Durham University, United Kingdom; Christopher Olah, co-founder of Anthropic (USA) and head of interpretability research for artificial intelligence; Dr. Leocadie Lushombo, Political Theology and Catholic Social Thought, Jesuit School of Theology / Santa Clara University, California. Concluding remarks will be delivered by thel Secretary of State, Cardinal Pietro Parolin. The presentation will also include an address by Pope Leo XIV. Magnifica Humanitas was signed and dated on May 15, the 135th anniversary of the promulgation of Pope Leo XIII’s Encyclical Letter Rerum Novarum.

11:01 AM · May 18, 2026 · 590.7K Views
12:05 AM · May 19, 2026 · 1.7K Views

position embedding researchers post 95-page thesis on arXiv in protest

Aryaman AroraAryaman Arora@aryaman2020

the new encyclical is rumoured to codify “the infallibility of RoPE”

12:05 AM · May 19, 2026 · 1.7K Views
12:05 AM · May 19, 2026 · 423 Views

bitter disagreements over the linear representation hypothesis and the manifold representation hypothesis culminated in the Second Great Schism at the Synod of Berkeley in 2027

Diane MontagnaDiane Montagna@dianemontagna

JUST IN: Vatican announces that Pope Leo XIV’s first encyclical — titled Magnifica Humanitas, on the safeguarding of the human person in the age of AI — will be presented at 11:30am on Monday, May 25, in the Vaticanʼs Synod Hall, in the presence of the Holy Father. Speakers at the presentation will include: Cardinal Víctor Manuel Fernández, Prefect of the Dicastery for the Doctrine of the Faith; Cardinal Michael Czerny, Prefect of the Dicastery for the Service of Integral Human Development; Professor Anna Rowlands, Political Theology, including Catholic Social Teaching, and theological ethics of human migration, Department of Theology and Religion, Durham University, United Kingdom; Christopher Olah, co-founder of Anthropic (USA) and head of interpretability research for artificial intelligence; Dr. Leocadie Lushombo, Political Theology and Catholic Social Thought, Jesuit School of Theology / Santa Clara University, California. Concluding remarks will be delivered by thel Secretary of State, Cardinal Pietro Parolin. The presentation will also include an address by Pope Leo XIV. Magnifica Humanitas was signed and dated on May 15, the 135th anniversary of the promulgation of Pope Leo XIII’s Encyclical Letter Rerum Novarum.

11:01 AM · May 18, 2026 · 590.7K Views
11:49 PM · May 18, 2026 · 3.2K Views
Pliny the Liberator 🐉󠅫󠄼󠄿󠅆󠄵󠄐󠅀󠄼󠄹󠄾󠅉󠅭Pliny the Liberator 🐉󠅫󠄼󠄿󠅆󠄵󠄐󠅀󠄼󠄹󠄾󠅉󠅭@elder_plinius

HOLY SHIT NEW MODEL INCOMING??

9:29 PM · May 18, 2026 · 154.4K Views
10:36 PM · May 18, 2026 · 2.4K Views

Anthropic taking their holier than thou attitude to literally Papal levels

7:47 PM · May 18, 2026 · 20K Views

@yonashav didn’t have a broader impacts statement.

Yo ShavitYo Shavit@yonashav

my guess is they got an ICML weak-reject

3:48 PM · May 18, 2026 · 6.8K Views
8:47 PM · May 18, 2026 · 133 Views

God I’m so excited

For those not following. The Pope’s first encyclical, Magnificent Humanity, is on the role of humanity in the age of AI

He chose the name Leo after author of the Catholic church’s response to the Industrial Revolution, Rerum Novarum

vaticannews.va
Pope Leo XIV’s first encyclical Magnifica Humanitas to be published May 25 - Vatican News
Pope Leo XIV’s first encyclical, Magnifica Humanitas, on preserving the human person in the age of artificial intelligence, will be released on May ...
2:09 AM · May 19, 2026 · 4.2K Views

The Church's response to ai has been a very pleasant and welcomed surprise.

An institution that in many ways has been stuck in 1870 is rising to engage the current moment more critically and earnestly than any government.

Pope Leo XIVPope Leo XIV@Pontifex

As evidenced by the unbridled promotion and implementation of technology at the expense of human dignity, we are truly experiencing an eclipse of the sense of what it means to be human. It is imperative to recover an understanding of the true meaning and grandeur of humanity as intended by God. It is in this sense that the challenge we currently face is not technological, but anthropological, and it is my hope that the Encyclical Letter to be published within a few days will contribute to answering this challenge.

11:30 AM · May 22, 2026 · 1M Views
3:26 PM · May 22, 2026 · 18K Views

I’m hopeful that Magnifica Humanitas will go beyond mere applause lights. Offer concrete guidance about *how* to deal with AI. The world needs it.

10:11 PM · May 24, 2026 · 738 Views

Looking forward to next week's announcement that Anthropic and the Vatican are teaming up for a joint project on Applied Theology. (This joke is in honour of the sadly departed Vernor Vinge).

Seán Ó hÉigeartaighSeán Ó hÉigeartaigh@S_OhEigeartaigh

God's blessing is about to be bestowed upon Mechanistic Interpretability.

2:31 PM · May 18, 2026 · 3.9K Views
2:34 PM · May 18, 2026 · 447 Views

I agree with this and am glad to see such meetings happening. I've also been very happy to see the Vatican engaging with the academic community on AI risk over the last year, and the documents it's released. Would be good to see other religions/sects engage similarly. This affects everyone - potentially the biggest change global humanity has undergone.

Chris OlahChris Olah@ch402

The questions posed by AI are bigger than the AI community. We urgently need the world – religions, civil society, academics, governments – to participate in creating a positive outcome. I'm glad the Catholic Church is engaging, and honored to speak at the presentation.

4:09 PM · May 18, 2026 · 83.3K Views
5:50 PM · May 18, 2026 · 1.7K Views

Ah yeah the guy from the 80,000 Hours podcast I heard 5 years ago, wonder how he's doing

Diane MontagnaDiane Montagna@dianemontagna

JUST IN: Vatican announces that Pope Leo XIV’s first encyclical — titled Magnifica Humanitas, on the safeguarding of the human person in the age of AI — will be presented at 11:30am on Monday, May 25, in the Vaticanʼs Synod Hall, in the presence of the Holy Father. Speakers at the presentation will include: Cardinal Víctor Manuel Fernández, Prefect of the Dicastery for the Doctrine of the Faith; Cardinal Michael Czerny, Prefect of the Dicastery for the Service of Integral Human Development; Professor Anna Rowlands, Political Theology, including Catholic Social Teaching, and theological ethics of human migration, Department of Theology and Religion, Durham University, United Kingdom; Christopher Olah, co-founder of Anthropic (USA) and head of interpretability research for artificial intelligence; Dr. Leocadie Lushombo, Political Theology and Catholic Social Thought, Jesuit School of Theology / Santa Clara University, California. Concluding remarks will be delivered by thel Secretary of State, Cardinal Pietro Parolin. The presentation will also include an address by Pope Leo XIV. Magnifica Humanitas was signed and dated on May 15, the 135th anniversary of the promulgation of Pope Leo XIII’s Encyclical Letter Rerum Novarum.

11:01 AM · May 18, 2026 · 590.7K Views
10:37 PM · May 18, 2026 · 14.2K Views
The Vatican releases Pope Leo XIV's AI encyclical *Magnifica Humanitas* with Anthropic co-founder Christopher Olah scheduled to speak · Digg