The fourth Breaking Topics in AI conference brings researchers from Oxford, UCL, Cambridge and Imperial together to examine recent AI advances and open research challenges. Plenary speakers give overviews of developments in their fields, while paper talks discuss selected recent work from ICML and NeurIPS. The programme combines perspectives from Mark van der Wilk, Maneesh Sahani, Jacob Bamberger, Vignesh Gopakumar and Katarzyna Kobalczyk, creating opportunities to connect new methods with ongoing research across the participating institutions. This free, in-person conference takes place on 2