StepFun
Maker of the Step family of models.
StepFun is a Chinese AI lab developing the Step family of multimodal foundation models, available through inference providers.
stepfun.comModels from StepFun
Release timeline
Every dated StepFun release, newest first — 2 of 3 run on the Opper gateway today. Releases without a published date aren't listed. See the AI model release tracker.
3 releases in the last 12 months65 days median gap57–72 days range