Open-Sora Plan Review — PKU-YuanGroup's Peking University Video DiT: Skiparse Attention, WF-VAE, Helios Successor, 12.2K GitHub Stars

Open-Sora Plan is a text-to-video and image-to-video model from Prof. Li Yuan's lab at Peking University, developed with Huawei Ascend partnership. Not to be confused with HPC-AI Tech's Open-Sora — entirely separate team, architecture, and trajectory. v1.0 launched April 2024; v1.3 introduced Skiparse Attention (1/k complexity); v1.5 (June 2025) reached 8B parameters. 12,200 GitHub stars, Apache 2.0 code license, MIT model weights. No MCP server. Rating 3/5.