GoKawiilWhen Pope Leo XIV presented his first encyclical on artificial intelligence at the Vatican on Monday, he invited Christopher Olah, cofounder of Anthropic, to speak. The move signaled an unprecedented alliance between the Catholic church and Silicon Valley. But to understand how this partnership came about, we need to go back to Anthropic's founding.
Why Anthropic?
Anthropic launched in 2021 after a group of OpenAI researchers, including Dario and Daniela Amodei, left to form a rival lab. They did so with a clear conviction: Artificial intelligence models were becoming too powerful to be developed exclusively according to the logic of competition and speed.
Since then, Anthropic has built its public image around the concept of AI safety. The company aims to build not just powerful models, but ones that are controllable and guided by ethical principles. This is where the concept of Constitutional AI comes from: the idea of training systems using a kind of constitution composed of principles and rules, instead of just manually correcting the most risky and dangerous responses.
Pope Leo XIV attends the presentation of his first Encyclical Letter, Magnifica Humanitas, focused on the rise of artificial intelligence, in the Vatican on May 25, 2026. Photograph: Alberto Pizzoli/Getty Images
How the Convergence With the Vatican Began
Olah's presence at the Vatican was obviously not accidental, nor the result of a last-minute symbolic gesture. It was the outcome of a deliberate, long-term effort in which the Vatican has progressively sought to transform itself from a moral observer of technology into a direct interlocutor with the AI industry.
The first major step came in 2020 with the Rome Call for AI Ethics, an initiative promoted by the Pontifical Academy for Life together with Microsoft, IBM, and other international organizations. The goal was to establish a shared foundation of ethical principles for the development of AI, including transparency, inclusion, and accountability.
At the time, the Vatican appeared to be operating primarily in the realm of bioethics and moral questions. In the years that followed, however, the context changed dramatically. The rise of ChatGPT, the struggle for technological leadership between the United States and China, and the growing power of Big Tech gradually convinced the Holy See that the issue was no longer just about tech ethics, but about the very future of humanity.
In this sense, Anthropic has come to be seen by the Vatican as a particularly important interlocutor. Unlike other Silicon Valley companies that have built their reputations primarily around innovation and growth, Anthropic has made AI safety a core part of its identity.
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