StepFun API pricing
3 models
Open weights
- Cheapest input / 1M
- $0.100
- Priciest input / 1M
- $1.00
- Largest context
- 1.0M
- Models tracked
- 3
Step 3.5 Flash
Step 5 Preview
Step 5 Preview
All StepFun models
Cheapest first, by blended cost.
| # | Model | Blended / 1M | Input / 1M | Output / 1M | Context | Capabilities |
|---|---|---|---|---|---|---|
| 1 | Step 3.5 Flash StepFun | $0.150 | $0.100 | $0.300 | 262K | ReasoningToolsOpen weights |
| 2 | Step 3.7 Flash StepFun | $0.438 | $0.200 | $1.15 | 262K | ReasoningToolsVisionOpen weights |
| 3 | Step 5 Preview StepFun | $1.43 | $1.00 | $2.70 | 1.0M | ReasoningToolsVisionOpen weights |
Frequently asked
How much does the StepFun API cost?
StepFun models in this directory range from $0.100 to $1.00 per million input tokens. The cheapest is Step 3.5 Flash; the most expensive is Step 5 Preview.
How many models does StepFun offer?
3 models are tracked here, with the largest context window being 1.0M tokens on Step 5 Preview.