Model information
Released
2026-05-29
Context window
256K
Max output
256K
Model parameters
201B
Weights
Open
Modalities
Input
ImageTextVideo
Output
Text
Identity
- Version
- step-3.7-flash
- Knowledge cutoff
- 2026-03-01
- License
- Apache-2.0
- Aliases
- Step 3.7 Flash
Resources
Capabilities
AttachmentsOpen weightReasoningTemperatureTool call
Official price
input $0.185/M · output $1.11/M
cache read $0.037/M
Providers
| Provider | Provider model ID | Protocol | Context | Max output | Input | Output | Capabilities | Notes | Pricing | Streaming |
|---|---|---|---|---|---|---|---|---|---|---|
| StepFun Step Plan (Global) | step-3.7-flash | openai_chat | 256K | 256K | AttachmentsReasoningTool callTemperature | - | - | Yes | ||
| StepFun Step Plan (China) | step-3.7-flash | openai_chat | 256K | 256K | AttachmentsReasoningTool callTemperature | - | - | Yes | ||
| Ambient | stepfun/step-3.7-flash | openai_chat | 256K | 256K | AttachmentsReasoningTool callStructuredTemperature | - | input $0.19/M · output $1.14/M cache read $0.03/M · cache write $0/M | Yes | ||
| UnoRouter | step-3.7-flash:free | openai_chat | 256K | 256K | AttachmentsReasoningTool callTemperature | - | input $0/M · output $0/M | Yes | ||
| ZenMux | stepfun/step-3.7-flash | openai_chat | 256K | 256K | AttachmentsReasoningTool callTemperature | - | input $0.2/M · output $1.15/M | Yes | ||
| EmpirioLabs AI | step-3-7-flash | openai_chat | 256K | 256K | AttachmentsReasoningTool callStructuredTemperature | - | input $0.2/M · output $1.15/M cache read $0.04/M | Yes | ||
| Vercel AI Gateway | stepfun/step-3.7-flash | openai_chat | 256K | 256K | AttachmentsReasoningTool callTemperature | - | input $0.2/M · output $1.15/M cache read $0.04/M | Yes | ||
| OpenRouter | stepfun/step-3.7-flash | openai_chat | 256K | 256K | AttachmentsReasoningTool callStructuredTemperature | Reasoning levels: high, medium, low, Default reasoning: medium, Reasoning required, Hugging Face: stepfun-ai/Step-3.7-Flash | input $0.2/M · output $1.15/M cache read $0.04/M | Yes | ||
| StepFun (Global) | step-3.7-flash | custom | 256K | 256K | AttachmentsReasoningTool callTemperature | - | input $0.185/M · output $1.11/M cache read $0.037/M | Yes | ||
| StepFun (China) | step-3.7-flash | custom | 256K | 256K | AttachmentsReasoningTool callTemperature | - | input $0.185/M · output $1.11/M cache read $0.037/M | Yes | ||
| Kilo Gateway | stepfun/step-3.7-flash | openai_chat | 256K | 256K | AttachmentsReasoningTool callStructuredTemperature | - | input $0.2/M · output $1.15/M cache read $0.04/M | Yes |