models · stepfun-ai

Step-Video-T2V

text-to-video model ranked in the Artificial Analysis text-to-video arena. Closed — third-party arena results, no weights held here.

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What this registry has checked

Quarantine. We hold the publisher’s own published hash for these weights and have recorded it against this entry. We have not downloaded and hashed the weights ourselves, so the hash is the publisher’s claim, not our measurement.

Method	hf-published-sha256

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What is recorded

Publisher	stepfun-ai
Origin	China
Licence	MIT
Parameters	29,342,478,400 (29.3B)
Modality	text-to-video
Native precision	BF16
Downloads reported upstream	61

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Registry record as of 2026-09-26. Identity, licence and parameter count are properties of a release and do not move; tier can, and the verify link above re-checks it against the live registry rather than this page.