Open weightsFree
Open-Sora-Plan
PKU-YuanGroup
Open-Sora-Plan is a video generation model line from PKU-YuanGroup. The latest release is Open-Sora-Plan 1.5.0 (5 Jun 2025). This page tracks all 3 Open-Sora-Plan releases since 7 Apr 2024, with specs, licensing, and how to access each one. Official site →
Open-Sora-Plan 1.5.0
Open weightsFreeCommunity APISelf-host
NPU-trained; roughly HunyuanVideo-level quality
- License
- MIT
- Commercial use
- Allowed
- Availability
- Self-host, Community API
- Parameters
- 8B sparse-DiT (SUV)
Open-Sora-Plan 1.3.0
Open weightsFreeCommunity APISelf-host
WF-VAE and sparse attention improvements
- License
- MIT
- Commercial use
- Allowed
- Availability
- Self-host, Community API
Open-Sora-Plan 1.0.0
Open weightsFreeCommunity APISelf-host
First release; trained on Huawei NPUs
- License
- MIT
- Commercial use
- Allowed
- Availability
- Self-host, Community API
See Open-Sora-Plan in context on the video model timeline, or browse all model families.