StepFun's next-generation flagship base model for coding and professional knowledge work, with native text, image, and video input and a 1M-token context window
17 providers
Model catalog
Models
Every model in the catalog with source-linked pricing, context limits, provider availability, and published benchmark results.
Newer StepFun flash model for faster agents, coding, and multimodal prompts
21 providers
StepFun flash model for efficient multimodal reasoning, coding, and tool use
6 providers
StepFun flash lane for quick multimodal reasoning and coding assistance
15 providers
| Model | Creator | Inputs | Context | Input | Output | Released | Compare |
|---|---|---|---|---|---|---|---|
| Step 5 Previewstepfun/step-5-preview | StepFun |
1M | $1.046 | $2.989 | 2026-09-16 | ||
| Step 3.7 Flashstepfun/step-3.7-flash | StepFun |
256K | $0.202 | $1.211 | 2026-05-29 | ||
| Step 3.5 Flash 2603stepfun/step-3.5-flash-2603 | StepFun |
256K | $0.105 | $0.314 | 2026-04-02 | ||
| Step 3.5 Flashstepfun/step-3.5-flash | StepFun |
256K | $0.105 | $0.314 | 2026-01-29 |