Index-AniSora is a top-level animation video generation model open-sourced by Bilibili, based on AniSora technology. It supports one-click generation of multiple 2D style video shots, such as anime, national creation, comic改编 animations, VTubers, animated PVs, and meme animations. The model improves the efficiency and quality of animation content production through a reinforcement learning technology framework, and its technical principles have been accepted by IJCAI2025. The openness of Index-AniSora brings new technological breakthroughs to the animation video generation field, providing powerful tools for developers and creators, and promoting further development of 2D content creation.