All Providers
4 Models
256K Max Context
$0.10–$5.21 Input Cost/MTok
$0.29–$16.44 Output Cost/MTok
Capabilities
Reasoning
Tool Calling
Attachments
Open Weights
Setup
Set the following environment variable to use StepFun (China):
STEPFUN_API_KEY Models (4)
| Model | Model ID | Input Cost | Output Cost | Context | Capabilities |
|---|---|---|---|---|---|
| Step 3.5 Flash | step-3.5-flash | $0.10/MTok | $0.29/MTok | 256K | Reasoning Tools Open |
| Step 3.5 Flash 2603 | step-3.5-flash-2603 | $0.10/MTok | $0.30/MTok | 256K | Reasoning Tools Open |
| Step 1 (32K) | step-1-32k | $2.05/MTok | $9.59/MTok | 32.8K | Reasoning Tools |
| Step 2 (16K) | step-2-16k | $5.21/MTok | $16.44/MTok | 16.4K | Reasoning Tools |