StepFunAI
5 models tracked · latest release 2026-05-29
Product line release timeline
Generational evolution by product line · dot = one model release · dashed line connects successive generations · click a dot to open the model page
Published models
5 modelsModels published by StepFunAI, grouped into 4 categories.
Reasoning models
1 modelsChat models
1 modelsVision models
1 modelsMultimodal models
2 modelsAbout this organization
StepFunAI is an artificial intelligence company founded in April 2023. Its mission is to "step up intelligence and ten times everyone's possibilities." The company brings together top talents in the field of artificial intelligence at home and abroad and is committed to the cutting-edge development of general artificial intelligence (AGI).
The company has developed and launched a series of base models called "Step" which include:
In addition to the above-mentioned models, Step Star has also made layouts in audio generation and 3D content creation. As one of China's start-ups focusing on large-model technology innovation and the pursuit of general artificial intelligence, Step Star has attracted much attention in the industry.
The company shares open source models and projects through platforms such as GitHub, actively interacts with the AI community, and conducts technical exchanges and discussions around its latest advances in video generation and other fields.
StepFunAI official website: https://www.stepfun.com/