Step-5-Preview model card
Hugging Face model card of Step-5-Preview under the stepfun-ai account, cited at its initial upload of 20 September 2026 and at the commit of 15 October 2026.
- Issued by
- StepFun / 阶跃星辰
- Authors credited
- No authorship claim recorded yet. The source record lists StepFun.
- Dates
- Published 2026-09-20 issue evidence
- Exact source
- Step-5-Preview model card (README.md), initial upload StepFun (stepfun-ai, Hugging Face) · published 2026-09-20 · Dated page, retrieved on 2026-10-29 (SHA-256 98b45ea81164d1e1a1dd82255207053b15cd6c69d922a1c5cf3387ce604d4b74) directly from the publisher. Version: 43fa7aabe7c2e503bdee2c99a64954d17ab069da. README at the commit of 20 September 2026 ("Upload 10 files"); at this commit the README holds only a metadata header.
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Versions
No other versions of this document are recorded. The evidence applies to the source version listed above. Other versions, such as a preprint, working paper or journal publication, are not identified or substituted.
Issue and authorship records
- Issued by: StepFun / 阶跃星辰The initial commit of StepFun's Step-5-Preview Hugging Face repository is dated 20 September 2026; at that commit its model card held only a metadata header naming the licence apache-2.0.2026-09-20 · publication · Stated in source · Supported Inspect claim & evidence ↗StepFun / 阶跃星辰: institution →
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