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 |
Function Calling |
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Structured Outputs |
Web Search |
||
Prefix Completion |
Context Caching |
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Batch Inference |
Fine-tuning |
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 |