StepFun
StepFun
Video model · China ·Feb 2025

Step-Video-T2V

Video Open (Restricted)
30B
Parameters

About Step-Video-T2V

Step-Video-T2V is an AI model developed by StepFun, in the video category, released in 2025, made available as an open-weights model with 30B params.

On this page you'll find Step-Video-T2V's full specifications. Review provider pricing and benchmark scores below, or compare Step-Video-T2V head-to-head with other video models.

→ More models by StepFun → All video models → AI benchmarks leaderboard

Links

Announcement ↗ Hugging Face ↗

Run Step-Video-T2V locally — what fits

GPUs with enough VRAM to hold Step-Video-T2V at FP16 (lower precision needs less), from best value to most headroom. Generation speed depends on your tool, resolution and step count, so we don't estimate it.

Good
AMD Ryzen AI Max+ 395
Consumer GPU · ~$1,999
128 GB VRAM
fits at FP16 · ~53.7 GB headroom
See fit detail →
Better
NVIDIA DGX Spark
Consumer GPU · ~$3,999
128 GB VRAM
fits at FP16 · ~53.7 GB headroom
See fit detail →
Best
Apple M2 Ultra 192GB
Apple · ~$6,600
192 GB VRAM
fits at FP16 · ~111.3 GB headroom
See fit detail →

VRAM fit only — we don't estimate generation speed for image/video/audio models (it depends on the tool, resolution and steps).

Consumer GPU
2 options that fit
→
Apple
5 options that fit
→
Datacenter GPU
10 options that fit
→

Community

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Discussion

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Frequently asked questions

What is Step-Video-T2V? ▶

Step-Video-T2V is an AI model developed by StepFun, in the video category, released in 2025. It is tracked on GenAIList with its specifications, benchmark scores and provider pricing.

Who created Step-Video-T2V? ▶

Step-Video-T2V was developed by StepFun and released in 2025.

Is Step-Video-T2V open source or proprietary? ▶

Step-Video-T2V ships as an open-weights model: you can download and self-host the weights, though the licence may place some restrictions on use.

How much does Step-Video-T2V cost? ▶

Pricing for Step-Video-T2V depends on the provider. See the providers table on this page for the latest API rates.

How does Step-Video-T2V perform on benchmarks? ▶

Benchmark scores for Step-Video-T2V are listed on this page as they are published. You can compare it head-to-head with other models on the GenAIList compare tool.

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