ST
StepFun
StepFun develops the Step family of general-purpose language models.
Official website or profileFamilies
1
Model versions
3
Providers
12
Model families
Step
ActiveStep model family by StepFun.
3 versions
Model versions
3 of 3 model versions
| Model | Family | Providers | Context | Max output | Input | Output | Reasoning | Tool call | Structured | Temperature | Weights | Price | Released | Updated | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Step 3.7 Flash stepfun/step-3.7-flash | Step | 256K | 256K | Yes | Yes | -No | Yes | Open | input $0.185/M · output $1.11/M cache read $0.037/M | 2026-05-29 | 2026-08-06 | ||||
| Step 3.5 Flash 2603 stepfun/step-3.5-flash-2603 | Step | 256K | 256K | Yes | Yes | -No | Yes | Open | input $0.1/M · output $0.3/M cache read $0.02/M | 2026-04-02 | 2026-04-02 | ||||
| Step 3.5 Flash stepfun/step-3.5-flash | Step | 256K | 256K | Yes | Yes | -No | Yes | Open | input $0.1/M · output $0.3/M cache read $0.02/M | 2026-01-29 | 2026-08-06 |