Motional announced the release of nuReasoning on September 8, 2026, describing it as the world’s first reasoning-centric, long-tail scenario open dataset for autonomous vehicles, and launched a companion research challenge at the European Conference on Computer Vision in Sweden. The dataset was created in partnership with the UCLA Mobility Lab and its director, Professor Jiaqi Ma. The Motional announcement positions nuReasoning as training material for end-to-end autonomous systems, targeting…