# Step 3.7 Flash API pricing

The official API price of Step 3.7 Flash is $0.20175 per 1M input tokens and $1.21052 per 1M output tokens (as of 2026-11-12). Context window: 256K tokens, up to 256K output tokens per request. 21 providers sell it. The lowest is CommandCode: $0.2 input, $1.15 output.

- Type: Text
- Context: 256K
- Max output: 256K
- Released: 2026-05-29
- Open weights: Yes

## Price by provider (USD per 1M tokens)

| Provider | Model id | Input | Output | Cached | Notes |
| --- | --- | --- | --- | --- | --- |
| [StepFun (China)](https://platform.stepfun.com/docs/zh/overview/concept) | step-3.7-flash | $0.20175 | $1.21052 | $0.04035 | Official |
| [CommandCode](https://commandcode.ai/docs/provider) | stepfun/Step-3.7-Flash | $0.2 | $1.15 | $0.04 | Lowest |
| [Eden AI](https://docs.edenai.co) | deepinfra/stepfun-ai/Step-3.7-Flash | $0.2 | $1.15 | $0.04 |  |
| [EmpirioLabs AI](https://docs.empiriolabs.ai) | step-3-7-flash | $0.2 | $1.15 | $0.04 |  |
| [Hugging Face](https://huggingface.co/docs/inference-providers) | stepfun-ai/Step-3.7-Flash | $0.2 | $1.15 | — |  |
| [Kilo Gateway](https://kilo.ai) | stepfun/step-3.7-flash | $0.2 | $1.15 | $0.04 |  |
| [DevPass (LLM Gateway)](https://llmgateway.io/docs) | step-3.7-flash | $0.2 | $1.15 | $0.04 |  |
| [LLM Gateway](https://llmgateway.io/docs) | novita/step-3.7-flash | $0.2 | $1.15 | $0.04 |  |
| [NanoGPT](https://docs.nano-gpt.com) | stepfun/step-3.7-flash:thinking | $0.2 | $1.15 | $0.04 |  |
| [Novita AI](https://novita.ai/docs/guides/introduction) | stepfun/step-3.7-flash | $0.2 | $1.15 | $0.04 |  |
| [OpenRouter](https://openrouter.ai/models) | stepfun/step-3.7-flash | $0.2 | $1.15 | $0.04 |  |
| [Requesty](https://requesty.ai/solution/llm-routing/models) | step-3.7-flash | $0.2 | $1.15 | $0.04 |  |
| [StepFun (Global)](https://platform.stepfun.ai/docs/en/overview/concept) | step-3.7-flash | $0.2 | $1.15 | $0.04 |  |
| [Vercel AI Gateway](https://github.com/vercel/ai/tree/5eb85cc45a259553501f535b8ac79a77d0e79223/packages/gateway) | stepfun/step-3.7-flash | $0.2 | $1.15 | $0.04 |  |
| [ZenMux](https://docs.zenmux.ai) | stepfun/step-3.7-flash | $0.2 | $1.15 | $0.04 |  |
| [AIHubMix](https://docs.aihubmix.com) | step-3.7-flash | $0.22 | $1.32 | $0.044 |  |
| [Kenari](https://kenari.id/docs) | step-3-7-flash | $0.24 | $1.371429 | $0.048 |  |
| [Deep Infra](https://deepinfra.com/models) | stepfun-ai/Step-3.7-Flash | $0.2 | $1.15 | $0.04 | Deprecated |
| [Kenari](https://kenari.id/docs) | step-3-7-flash:free | $0 | $0 | — | Deprecated |
| [UnoRouter](https://unorouter.com/models) | step-3.7-flash:free | $0 | $0 | — | Deprecated |
| [StepFun Step Plan (Global)](https://platform.stepfun.ai/docs/en/step-plan/integrations/reasoning-api) | step-3.7-flash | — | — | — |  |
| [StepFun Step Plan (China)](https://platform.stepfun.com/docs/zh/step-plan/integrations/reasoning-api) | step-3.7-flash | — | — | — |  |

Providers are those listed by models.dev. This site has not vetted them one by one; each provider's own page has the binding price.

Prices and specs come from models.dev (MIT licence), updated 2026-11-12. Each provider's name links to its official docs. A provider priced at 0 usually includes the model in a subscription; it is not necessarily a free API.

https://apibook.ai/models/stepfun/step-3.7-flash/