Step-Video-T2V

Open weights Active Video gen

30B open text-to-video model from StepFun.

Released
Feb 17, 2025
Context window
Not disclosed
Max output
Not disclosed
Parameters
30B
Input price
Not disclosed
Output price
Not disclosed

Prices are first-party list prices in USD at the standard tier. Last verified Oct 30, 2026.

Pricing

No first-party API. This is an open-weights release you can run yourself.

Specifications

Developer
StepFun
Model type
Video gen
Architecture
Not disclosed
Parameters
30B
Input
Text
Output
Video
Knowledge cutoff
Not disclosed
License
MIT License
API access
No first-party API