# Step 3.7 Flash

Model tracker · checked 2026-10-14 · https://dbggr.dev/models/step-3-7-flash/

Step 3.7 Flash is a fast open-weight model from StepFun, released 29 May 2026. At StepFun it costs $0.20 per million input tokens and $1.15 per million output tokens, with a 256K-token context window. 2 providers serve it; the cheapest is Novita AI at $0.20 input and $1.15 output.

- Made by: StepFun
- Released: 2026-05-29
- Status: Generally available
- Tier: Fast
- Weights: Open
- Context window: 256,000 tokens
- Input: text, image, video
- API id: step-3.7-flash
- Docs: https://platform.stepfun.ai/docs/en/guides/models/step-3.7-flash

## Step 3.7 Flash price at 2 providers

US dollars per million tokens. Blended is 3 input tokens for every output token, one number to compare on. The cheapest blended price is highlighted.

| Provider | Input | Output | Cached input | Blended | Batch | Checked |
|---|---|---|---|---|---|---|
| Novita AI | $0.20 | $1.15 | $0.04 | $0.438 | – | [2026-10-14](https://novita.ai/pricing) |
| StepFun | $0.20 | $1.15 | $0.04 | $0.438 | – | [2026-10-14](https://platform.stepfun.ai/docs/en/guides/pricing/details) |

- StepFun: Output includes reasoning tokens. Three reasoning effort levels (low, medium, high).

## Models like Step 3.7 Flash

| Model | Input | Output | Context | Weights |
|---|---|---|---|---|
| Step 3.7 Flash | $0.20 | $1.15 | 256K | Open |
| [DeepSeek V4.1 Flash](https://dbggr.dev/models/deepseek-v4-1-flash/) | $0.30 | $1.20 | 1M | Open |
| [Gemini 3.1 Flash-Lite](https://dbggr.dev/models/gemini-3-1-flash-lite/) | $0.25 | $1.50 | 1M | Closed |
| [GLM-5.3 FlashX](https://dbggr.dev/models/glm-5-3-flashx/) | $0.37 | $1.25 | 1M | Open |
| [Muse Glimmer 30B](https://dbggr.dev/models/muse-glimmer-30b/) | $0.35 | $1.50 | 131K | Open |
| [Gemma 4 26B A4B](https://dbggr.dev/models/gemma-4-26b-a4b/) | $0.15 | $0.60 | 262K | Open |

## FAQ

### How much does Step 3.7 Flash cost?

Step 3.7 Flash costs $0.20 per million input tokens and $1.15 per million output tokens at StepFun, and $0.04 per million cached input tokens. Prices are list prices in US dollars, last checked 14 October 2026.

### What is Step 3.7 Flash's context window?

Step 3.7 Flash takes up to 256,000 tokens in one request.

### Is Step 3.7 Flash open weight?

Yes. StepFun publishes the weights, so you can run Step 3.7 Flash yourself or at any host that serves it.

### Where can I use Step 3.7 Flash?

Step 3.7 Flash is available from Novita AI and StepFun. At StepFun, call it as `step-3.7-flash`.