AI models and tools from StepFun

5 AI models and tools from StepFun that we track, with price, license and how to use them.

Step 5StepFun · language model

Oct 8, 2026released

Step 3.7 FlashStepFun · language model

May 28, 2026released

Step 3.5 FlashStepFun · language model

Jan 29, 2026released

Step 5.1StepFun · language model

Dec 22, 2026expected

Step 3.8 FlashStepFun · language model

Nov 26, 2026expected