> ## Documentation Index
> Fetch the complete documentation index at: https://doc.starrise.tech/llms.txt
> Use this file to discover all available pages before exploring further.

# Seedream 5.0 Image-to-Image

> ByteDance Seedream 5.0 image-to-image model — generate images using reference images and text prompts.

Seedream 5.0 Image-to-Image is an image-to-image model from ByteDance's Seedream series, available through the Starrise AI API.

<Warning>
  When referencing external image URLs, if Volcengine takes more than 10 seconds to download the image, the request will time out. Ensure image URLs load quickly, or use Base64 encoding for large files.
</Warning>

## Key Capabilities

* **Image-to-image** — Generate images using reference images and text prompts
* **Sequential generation** — Generate multiple images in a single request
* **Custom size** — Flexible output dimensions
* **Watermark control** — Optional watermark and logo configuration

## Quick Example

<CodeGroup>
  ```bash cURL theme={null}
  curl https://ai.alad.com/v1/images/generations \
    -H "Authorization: Bearer YOUR_API_KEY" \
    -H "Content-Type: application/json" \
    -d '{
      "model": "doubao-seedream-5-0-260128",
      "prompt": "Generate images of a girl and a cow plush toy happily riding a roller coaster, covering morning, noon, and night",
      "image": ["https://example.com/ref1.png", "https://example.com/ref2.png"],
      "sequential_image_generation": "auto",
      "sequential_image_generation_options": {
        "max_images": 3
      },
      "size": "2K",
      "watermark": false
    }'
  ```

  ```python Python theme={null}
  import requests

  response = requests.post(
      "https://ai.alad.com/v1/images/generations",
      headers={
          "Authorization": "Bearer YOUR_API_KEY",
          "Content-Type": "application/json"
      },
      json={
          "model": "doubao-seedream-5-0-260128",
          "prompt": "Generate images of a girl and a cow plush toy happily riding a roller coaster, covering morning, noon, and night",
          "image": ["https://example.com/ref1.png", "https://example.com/ref2.png"],
          "sequential_image_generation": "auto",
          "sequential_image_generation_options": {
              "max_images": 3
          },
          "size": "2K",
          "watermark": False
      }
  )

  task = response.json()
  print(f"Task ID: {task['id']}")
  ```
</CodeGroup>

## Parameters

| Parameter                             | Type    | Required | Description                                                |
| ------------------------------------- | ------- | -------- | ---------------------------------------------------------- |
| `model`                               | string  | Yes      | Must be `doubao-seedream-5-0-260128`                       |
| `prompt`                              | string  | Yes      | Image generation prompt                                    |
| `image`                               | array   | Yes      | Array of reference image URLs                              |
| `sequential_image_generation`         | string  | No       | Set to `auto` to enable batch generation                   |
| `sequential_image_generation_options` | object  | No       | Options: `max_images` (int)                                |
| `size`                                | string  | No       | Output image size, e.g. `1024x1024`, `2K`                  |
| `watermark`                           | boolean | No       | Default `false`                                            |
| `seed`                                | integer | No       | Random seed                                                |
| `logo_info`                           | object  | No       | Logo config: `add_logo`, `position`, `language`, `opacity` |

<Card title="API Reference" icon="code" href="/en/api-reference/model-api/bytedance/doubao-seedream-5-0-260128-i2i">
  View the interactive API Playground for Seedream 5.0 Image-to-Image.
</Card>