StepFun
StepFun (Jieyue Xingchen) develops the Step series of large language and multimodal models, including Step-1 and Step-1V, with a mission of multiplying human potential.
About
StepFun, known in Chinese as Jieyue Xingchen, was established in April 2023. Its site presents Step-1, a language model with hundreds of billions of parameters, and Step-1V, a multimodal model, described as strong in image understanding, multi-turn instruction following, mathematics, logical reasoning and text creation. The company's stated mission is intelligent progression that multiplies possibilities for everyone. It emphasizes self-developed proprietary models and strategic allocation of computing power and data, and publishes models on Hugging Face as stepfun-ai.
- Organization type
- ai company
- Headquarters region
- Shanghai
- Founded
- 2023
- Listings in the graph
- 0
- Last updated
- 6 October 2026
- Published
- 6 October 2026
Data sources & provenance
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- Data quality
- Data quality: Editorially Reviewed
- Primary source
- stepfun.com
- Sources cited
- 1
- Last reviewed
- 6 October 2026
- Last updated
- 6 October 2026
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