The Pangram detection tool flagged several of Pope Leo XIV’s X posts as AI-generated. Among them were messages criticizing artificial intelligence.
The Pangram detection tool has identified that some social media posts by Pope Leo XIV on X were written using AI. Among them are posts criticizing artificial intelligence. The Pontiff warns about the risk of losing individuality and human connections, as well as how AI shapes mentalities and social structures.
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Signs of AI usage were also detected in other Leo XIV posts about the war in Ukraine, the Middle East conflict, and calls for a fairer distribution of wealth.
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How the AI Detector Works and Whether It Can Be Trusted
The Pangram Chrome extension scans social media texts in real time and flags AI-generated content. The model is trained on millions of documents, including complex edge cases. In a University of Chicago study from December 2025, Pangram ranked first among detection tools, with a false positive rate close to zero.
Pangram CEO Max Spero stated that if a text is flagged as AI-generated, it indicates a high probability of AI use in writing or editing.
“Obviously, the Pope does not run the account himself. They have a social media person. But it’s also obvious that they are using AI to some extent,” WIRED quoted him as saying.
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Why AI Detectors Even Flag the Declaration of Independence
AI detection tools remain controversial. Data analyst Christopher Penn conducted a study in which the system flagged the text of the US Declaration of Independence as AI-generated with 97% probability. AI mistakenly identifies dry academic language and strict adherence to grammar rules as chatbot-generated content.
The Vatican has not responded to media requests for comment.
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