> ## Documentation Index
> Fetch the complete documentation index at: https://www.narev.ai/docs/llms.txt
> Use this file to discover all available pages before exploring further.

# StepFun (China) model pricing

> Browse StepFun (China) model prices.

## Models and pricing

| Model ID | Input / 1M tokens | Output / 1M tokens | Cache read / 1M tokens | Cache write / 1M tokens |
| - | - | - | - | - |
| [step-3.5-flash](https://api.narev.ai/v1/prices?provider_id=stepfun\&model_id=step-3.5-flash) | \$0.1 | \$0.3 | \$0.02 | — |
| [step-3.5-flash-2603](https://api.narev.ai/v1/prices?provider_id=stepfun\&model_id=step-3.5-flash-2603) | \$0.1 | \$0.3 | \$0.02 | — |
| [step-3.7-flash](https://api.narev.ai/v1/prices?provider_id=stepfun\&model_id=step-3.7-flash) | \$0.2 | \$1.15 | \$0.04 | — |
| [step-5-preview](https://api.narev.ai/v1/prices?provider_id=stepfun\&model_id=step-5-preview) | \$1 | \$2.7 | \$0.1 | — |
| [stepaudio-2.5-chat](https://api.narev.ai/v1/prices?provider_id=stepfun\&model_id=stepaudio-2.5-chat) | \$1.5 | \$3.5 | \$0.3 | — |

> **Enterprise pricing**
>
> | Model ID | Availability |
> | - | - |
> | [step-image-edit-2](https://api.narev.ai/v1/prices?provider_id=stepfun\&model_id=step-image-edit-2) | Pricing for this model is available on enterprise plans only. |
> | [step-tts-2](https://api.narev.ai/v1/prices?provider_id=stepfun\&model_id=step-tts-2) | Pricing for this model is available on enterprise plans only. |
> | [stepaudio-2.5-asr](https://api.narev.ai/v1/prices?provider_id=stepfun\&model_id=stepaudio-2.5-asr) | Pricing for this model is available on enterprise plans only. |
> | [stepaudio-2.5-tts](https://api.narev.ai/v1/prices?provider_id=stepfun\&model_id=stepaudio-2.5-tts) | Pricing for this model is available on enterprise plans only. |

```bash Request theme={null}
curl --request GET \
  --url 'https://api.narev.ai/v1/prices?provider_id=stepfun&model_id=step-3.5-flash'
```

```json Price record (snapshot) theme={null}
{
  "model_id": "step-3.5-flash",
  "provider_id": "stepfun",
  "pricing": {
    "prompt": 1e-7,
    "completion": 3e-7,
    "discount": 0,
    "request": 0,
    "web_search": 0,
    "input_cache_read": 2e-8,
    "input_cache_write": 0,
    "image": 0,
    "image_output": 0,
    "audio": 0,
    "audio_output": 0,
    "input_audio_cache": 0,
    "internal_reasoning": 0
  }
}
```

## Provider details

| Property | Value |
| - | - |
| API base URL | [https://api.stepfun.com/v1](https://api.stepfun.com/v1) |
| SDK package | @ai-sdk/openai-compatible |
| Environment variables | \["STEPFUN\_API\_KEY"] |

[Documentation](https://platform.stepfun.com/docs/zh/overview/concept)


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