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Foundation models for generalist medical artificial intelligence

Abstract

The exceptionally rapid development of highly flexible, reusable artificial intelligence (AI) models is likely to usher in newfound capabilities in medicine. We propose a new paradigm for medical AI, which we refer to as generalist medical AI (GMAI). GMAI models will be capable of carrying out a diverse set of tasks using very little or no task-specific labelled data. Built through self-supervision on large, diverse datasets, GMAI will flexibly interpret different combinations of medical modalities, including data from imaging, electronic health records, laboratory results, genomics, graphs or medical text. Models will in turn produce expressive outputs such as free-text explanations, spoken recommendations or image annotations that demonstrate advanced medical reasoning abilities. Here we identify a set of high-impact potential applications for GMAI and lay out specific technical capabilities and training datasets necessary to enable them. We expect that GMAI-enabled applications will challenge current strategies for regulating and validating AI devices for medicine and will shift practices associated with the collection of large medical datasets.

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Fig. 1: Overview of a GMAI model pipeline.
Fig. 2: Illustration of three potential applications of GMAI.

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Acknowledgements

We gratefully acknowledge I. Kohane for providing insightful comments that improved the manuscript. E.J.T. is supported by the National Institutes of Health (NIH) National Center for Advancing Translational Sciences grant UL1TR001114. M.M. is supported by Defense Advanced Research Projects Agency (DARPA) N660011924033 (MCS), NIH National Institute of Neurological Disorders and Stroke R61 NS11865, GSK and Wu Tsai Neurosciences Institute. J.L. was supported by DARPA under Nos. HR00112190039 (TAMI) and N660011924033 (MCS), the Army Research Office under Nos. W911NF-16-1-0342 (MURI) and W911NF-16-1-0171 (DURIP), the National Science Foundation under Nos. OAC-1835598 (CINES), OAC-1934578 (HDR) and CCF-1918940 (Expeditions), the NIH under no. 3U54HG010426-04S1 (HuBMAP), Stanford Data Science Initiative, Wu Tsai Neurosciences Institute, Amazon, Docomo, GSK, Hitachi, Intel, JPMorgan Chase, Juniper Networks, KDDI, NEC and Toshiba.

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P.R. conceived the study. M.M., O.B., E.J.T. and P.R. designed the review article. M.M. and O.B. made substantial contributions to the synthesis and writing of the article. Z.S.H.A. and M.M. designed and implemented the illustrations. All authors provided critical feedback and substantially contributed to the revision of the manuscript.

Corresponding authors

Correspondence to Eric J. Topol or Pranav Rajpurkar.

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Competing interests

In the past three years, H.M.K. received expenses and/or personal fees from UnitedHealth, Element Science, Eyedentifeye, and F-Prime; is a co-founder of Refactor Health and HugoHealth; and is associated with contracts, through Yale New Haven Hospital, from the Centers for Medicare & Medicaid Services and through Yale University from the Food and Drug Administration, Johnson & Johnson, Google and Pfizer. The other authors declare no competing interests.

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Moor, M., Banerjee, O., Abad, Z.S.H. et al. Foundation models for generalist medical artificial intelligence. Nature 616, 259–265 (2023). https://doi.org/10.1038/s41586-023-05881-4

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