| Scope | Vatican accounts of human intelligence, personhood, embodiment and moral responsibility in relation to AI |
|---|---|
| Central document | Antiqua et nova, 28 January 2025[1] |
| Later sources | Quo vadis, humanitas? and Magnifica Humanitas, 2026[4][5] |
Catholic anthropology understands the person through embodiment, spiritual life, relationships and responsibility. This framework informs the Church’s assessment of AI without making technical proficiency a criterion of human worth.[1][2]
This article examines official Vatican texts, their theological foundations and selected scholarly reception. It does not survey every Catholic philosopher or Christian denomination. Broader comparisons of religious policy belong to Institutional religious responses to AI.
Documents and authority
The central 2025 document is Antiqua et nova, a joint note of the Dicastery for the Doctrine of the Faith and the Dicastery for Culture and Education. Francis approved it on 14 January; it was issued on 28 January.[1]
The 2026 sources include the International Theological Commission’s study Quo vadis, humanitas? and Leo XIV’s encyclical Magnifica Humanitas, signed on 15 May and released on 25 May. A commission study, a joint dicastery note and a papal encyclical have distinct issuers and documentary forms.[4][5]
Intelligence and the whole person
Antiqua et nova distinguishes functional AI intelligence from human understanding. It draws on the complementary modes ratio, discursive reasoning, and intellectus, the apprehension of truth. Its account includes contemplation and engagement with what is good and beautiful. On this view, successful calculation or language generation reproduces particular functions without exhausting the meaning of intelligence.[1]
The Catechism treats body and soul as a single human nature. Calling the soul the “form” of the body means that it makes bodily matter a living human body, rather than functioning as a separate occupant. The Church teaches that the spiritual soul is created by God and survives bodily death. These are theological claims about human existence, not measurements of a machine’s architecture.[2]
Quo vadis, humanitas? places this account in a wider discussion of technological enhancement. It criticizes treating self-awareness as transferable information and the body as an object that a person merely owns. Its note 152 acknowledges both the longstanding body–soul account and an older body–soul–spirit vocabulary. Their shared point is the integration of human existence in relationship with God. Consequently, adding sensors or a robotic body would not by itself establish the embodied personal life described by this theology.[4]
Personhood and dignity
Dignitas infinita distinguishes dignity grounded in a person’s existence from moral dignity associated with conduct, social dignity associated with living conditions, and existential dignity associated with the experience of one’s life. Its account of rational nature includes knowing, willing, loving, choosing and bodily functions connected with them. Rationality here is not a score obtained by outperforming others. The declaration locates human dignity in the person’s being, even when the person cannot exercise particular abilities.[3]
An unconscious human therefore retains dignity in this account. This matters for comparisons with AI: a machine’s superior task performance would not lower a human being’s worth. Conversely, the declaration’s protection of human persons is not an experimental test for whether a nonhuman system has subjective experience.[3]
Moral conscience and responsibility
Moral conscience refers here to judgment about the goodness or wrongness of a concrete act. The Catechism connects it with practical discernment and assuming responsibility. It is a different question from whether a system has subjective experience. Recognizing this distinction prevents an ethical rule-following mechanism from being equated with a person’s moral conscience.[2]
Antiqua et nova identifies the human, rather than the machine, as the moral agent who exercises freedom and answers for decisions. Its conclusion directs attention to accountable people throughout the development and use of AI, even when a system’s internal operations are difficult to reconstruct.[1]
Francis’s 2024 G7 address distinguishes algorithmic selection from human deciding, which involves practical evaluation and wisdom. A program might rank available actions against specified criteria; the person deciding whether to act must consider the situation and its consequences. The address acknowledges that AI can adapt and produce choices independently of an immediate operator. Thus, preserving human responsibility does not require claiming that every output was specified in advance. Francis calls for safeguarding human decision-making and control while recognizing that advanced systems can complicate both.[6]
Consciousness and subjective experience
In Magnifica Humanitas, Leo XIV expressly states that AI does not undergo experiences, feel joy or pain, or possess a moral conscience. He distinguishes simulated communication from personal understanding. This is the encyclical’s stated position. The text also acknowledges rapidly changing systems and incomplete understanding of their workings, and calls for further scientific research alongside moral discernment.[5]
Scientific consciousness research addresses a related question using different methods. Here, consciousness means subjective experience, rather than intelligence, fluent language or moral responsibility. Butlin and colleagues’ 2026 article proposes assessing AI through indicators derived from neuroscientific theories while stressing uncertainty. Their earlier report treated computational functionalism, the view that the right computational organization can suffice for experience, as a disputed working hypothesis. It warned that satisfying proposed indicators would not establish consciousness with certainty. These frameworks do not measure a spiritual soul or confer theological personhood. Equally, the Vatican documents are not empirical demonstrations that settle whether any current or future system could have subjective experience.[7][8]
Interpretation and reception
Ferenc Patsch raised a qualification in the Jesuit journal La Civiltà Cattolica. While endorsing Antiqua et nova’s distinction between persons and machines, he questioned whether describing AI simply as a tool adequately captured its systemic effects. He suggested that AI systems might already constitute, or soon become, a technological environment that reshapes culture and ways of thinking. This is a debate within Catholic theological reception, not a claim that machines possess personal consciousness.[11]
Consequences and limits
For Leo XIV, accountability requires identifiable people who can explain decisions, monitor systems, challenge outcomes and remedy harm. This concern extends beyond asking whether a user has good intentions: the encyclical calls for examining the priorities embedded in a system’s design. A useful AI tool can therefore raise moral problems without being treated as a moral person.[5]
The sources establish positions expressed by named Catholic authorities, not uniform Catholic practice or a consensus among religions. Nor do they establish a legal status for AI. Their vocabulary should also be distinguished from Hieropedia’s descriptive machine agency, which records an operative machine role without granting consciousness or personhood. The article documents this Catholic framework; it does not adjudicate its religious truth.
See also
- Institutional religious responses to AI
- Machine agency
- Religious chatbots and scripture interfaces
- Robotic clergy
References
- Dicastery for the Doctrine of the Faith and Dicastery for Culture and Education, Antiqua et nova, 28 January 2025, §§10–17, 26–35, 39 and 44–46. Source.
- Catechism of the Catholic Church, §§355–368 and §§1777–1782.
- Dicastery for the Doctrine of the Faith, Dignitas infinita, 2 April 2024, §§7–9. Source.
- International Theological Commission, Quo vadis, humanitas?, 2026, preliminary note, §§41, 46–47 and 134, with note 152. Source.
- Leo XIV, Magnifica Humanitas, 15 May 2026, §§97–105; released 25 May 2026. Source. Release notice.
- Francis, address at the G7 session on artificial intelligence, Borgo Egnazia, 14 June 2024, section on choosing and deciding. Source.
- Patrick Butlin et al., “Identifying indicators of consciousness in AI systems,” Trends in Cognitive Sciences 30(6), 488–501 (2026), doi:10.1016/j.tics.2025.10.011; online 10 November 2025. Source.
- Patrick Butlin et al., Consciousness in Artificial Intelligence: Insights from the Science of Consciousness, arXiv:2308.08708, version 3, 22 August 2023, §§1.1–1.2.1 and executive summary. Source.
- Arfi Pandu Dinata and Dadang Kuswana, “Antiqua et Nova and Shifting Religious Authority: The Catholic Church’s Response to Artificial Intelligence through a Postmodernist Paradigm,” Asketik: Journal of Religion and Social Change 9(1), 56–70, 20 June 2025, especially pp. 56, 59, 61–64 and 67–68, doi:10.30762/asketik.v9i1.2468. Full text.
- Francis X. Clooney and Raúl Zegarra, “HDS Professors Clooney, Zegarra Reflect on Pope Leo’s AI Encyclical,” Harvard Divinity School, 18 June 2026, sections “The Choice Is Ours” and “A Prophetic Voice.” Source.
- Ferenc Patsch, “«Antiqua et nova». L’intelligenza artificiale al servizio della dignità umana e del bene comune,” La Civiltà Cattolica, no. 4194, 5 June 2025, section “Questioni aperte.” Source.