Step 3.7 Flash is a production-grade Agent-efficient Flash model newly launched by Stepfun for building high-performance Agents. Optimized for speed, cost efficiency, execution reliability, and complex task completion, it features multimodal perception, visual search, tool enhancement, high-reliability tool orchestration, and Agent ecosystem compatibility.
Inference Service Provider
The inference service provider for stepfun/step-3.7-flash is StepFun.
Model Capabilities
| Capability | Support | Capability | Support |
|---|---|---|---|
Input Modality | Text Image Video | Output Modality | Text |
Model Experience | Unsupported | Function Calling | Supported |
Structured Outputs | Supported | Web Search | Unsupported |
Prefix Completion | Unsupported | Context Caching | Supported |
Batch Inference | Supported | Fine-tuning | Unsupported |
Context Limits
| Parameter | Value | Parameter | Value |
|---|---|---|---|
Max Input Length | 262144 | Max Output Length | 262144 |
Context Window | 262144 | Max Input Length (Thinking Mode) | 262144 |
Max Output Length (Thinking Mode) | 262144 | Max Chain-of-Thought Length | 262144 |
Pricing
This page only shows the original pricing for model API calls, excluding any limited-time promotions. Visit Model Studio Console for promotional offers.
- China (Beijing)
| Billing Item | Price (CNY) | Unit |
|---|---|---|
Input | 1.35 | Per 1M tokens |
Output | 8.1 | Per 1M tokens |
Input(Implicit Cache) | 0.27 | Per 1M tokens |
Rate Limits
- China (Beijing)
| Parameter | Value |
|---|---|
RPM (Requests Per Minute) | 500 |
TPM (Tokens Per Minute) | 20,000,000 |