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-TI2V
Open weightsFreeCommunity APISelf-host
Image-to-video built on Step-Video-T2V
- License
- MIT
- Commercial use
- Allowed
- Availability
- Self-host, Community API
Step-Video-T2V
Open weightsFreeCommunity APISelf-host
Deep-compression VAE; up to 204 frames; bilingual
- License
- MIT
- Commercial use
- Allowed
- Availability
- Self-host, Community API
- Parameters
- 30B
See Step-Video in context on the video model timeline, or browse all model families.