# Why Rewarding Each Stroke Creates Better, Editable AI Sketches - Date: 2026-03-23 - Category: Artificial Intelligence A team from TTI-Chicago, the University of Chicago, and MIT CSAIL has published a paper introducing a new approach to vector sketch generation that teaches a multimodal language model to build drawings one semantic part at a time -- and crucially, trains it to care about the process, not just the... ---