Open weightsFree
Step-Video
StepFun
Step-Video is a video generation model line from StepFun. The latest release is Step-Video-TI2V (17 Mar 2025). This page tracks all 2 Step-Video releases since 17 Feb 2025, with specs, licensing, and how to access each one. Official site →
Step-Video-TI2Vreleased
Open weightsFreeCommunity APISelf-host
Image-to-video built on Step-Video-T2V
- License
- MIT
- Commercial use
- Allowed
- Availability
- Self-host, Community API
Step-Video-T2Vreleased
Open weightsFreeCommunity APISelf-host
Deep-compression VAE; up to 204 frames; bilingual
- License
- MIT
- Commercial use
- Allowed
- Availability
- Self-host, Community API
- Parameters
- 30B
FAQ
- When was Step-Video-TI2V released?
- Step-Video-TI2V was released on 17 Mar 2025.
- Is Step-Video open source?
- Yes. Step-Video-TI2V ships open weights under the MIT licence.
- Can Step-Video be used commercially?
- Yes. Commercial use of Step-Video-TI2V is allowed under the MIT licence.
- Where can I use Step-Video?
- Step-Video-TI2V is available via Self-host and Community API.
See Step-Video in context on the video model timeline, or browse all model families.