{"type": "article", "title": "Crayotter: Learning Long-Horizon Video Editing Agents via Group-Relative Preference Backpropagation", "publisher": "Web Pulse", "url": "https://wpnews.pro/news/crayotter-learning-long-horizon-video-editing-agents-via-group-relative", "original_source": "https://arxiv.org/abs/2608.02694", "published": "2026-08-05T04:00:00+00:00", "accessed": "2026-08-05", "id": "crayotter-learning-long-horizon-video-editing-agents-via-group-relative"}