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Step 3.7 Flash vs Step 5 Preview
Step 3.7 Flash and Step 5 Preview: current price, context, max output, and supported operations.
Pricing comparison
| Step 3.7 Flash | Step 5 Preview | |
|---|---|---|
| Model maker | StepFun | StepFun |
| Delivery availability | Available | Available |
| Context window | 256K | 1M |
| Max output | 256K | 64K |
| Official price | Input$0.20per 1M tokensOutput$1.15per 1M tokens | Input$1.00per 1M tokensOutput$2.70per 1M tokens |
| TokenLab price | — | — |
| Model performance | Collecting data | Collecting data |
| Capabilities | JSON modePrompt CacheTool use | VisionReasoningTool usePrompt Cache |
Summary
- Step 3.7 Flash: Input $0.20 / Output $1.15 per 1M tokens; Step 5 Preview: Input $1.00 / Output $2.70 per 1M tokens. Rates depend on the billing unit, specification, and usage. Compare matching conditions in the model's detailed pricing; a single rate does not determine the total cost.
- Step 5 Preview has a 3.8x larger context window
- Step 3.7 Flash supports 4.1x more output tokens
FAQ
Which is cheaper, Step 3.7 Flash or Step 5 Preview?
Step 3.7 Flash: Input $0.20 / Output $1.15 per 1M tokens; Step 5 Preview: Input $1.00 / Output $2.70 per 1M tokens. Rates depend on the billing unit, specification, and usage. Compare matching conditions in the model's detailed pricing; a single rate does not determine the total cost.
What are the key differences between Step 3.7 Flash and Step 5 Preview?
Step 3.7 Flash: JSON mode. Step 5 Preview: Vision, Reasoning