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 1.5.0released
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 1.3.0released
Open weightsFreeCommunity APISelf-host
WF-VAE and sparse attention improvements
- License
- MIT
- Commercial use
- Allowed
- Availability
- Self-host, Community API
Open-Sora-Plan 1.0.0released
Open weightsFreeCommunity APISelf-host
First release; trained on Huawei NPUs
- License
- MIT
- Commercial use
- Allowed
- Availability
- Self-host, Community API
FAQ
- When was Open-Sora-Plan 1.5.0 released?
- Open-Sora-Plan 1.5.0 was released on 5 Jun 2025.
- Is Open-Sora-Plan open source?
- Yes. Open-Sora-Plan 1.5.0 ships open weights under the MIT licence.
- Can Open-Sora-Plan be used commercially?
- Yes. Commercial use of Open-Sora-Plan 1.5.0 is allowed under the MIT licence.
- Where can I use Open-Sora-Plan?
- Open-Sora-Plan 1.5.0 is available via Self-host and Community API.
See Open-Sora-Plan in context on the video model timeline, or browse all model families.