> ## 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 4.5 Text-to-Image

> ByteDance Seedream 4.5 text-to-image model — generate images from text prompts.

Seedream 4.5 Text-to-Image is a text-to-image model from ByteDance's Seedream series, available through the Starrise AI API.

## Key Capabilities

* **Text-to-image** — Generate images from text prompts
* **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-4-5-251128",
      "prompt": "A serene mountain landscape at sunrise, mist filling the valley",
      "size": "1024x1024",
      "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-4-5-251128",
          "prompt": "A serene mountain landscape at sunrise, mist filling the valley",
          "size": "1024x1024",
          "watermark": False
      }
  )

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

## Parameters

| Parameter   | Type    | Required | Description                                                |
| ----------- | ------- | -------- | ---------------------------------------------------------- |
| `model`     | string  | Yes      | Must be `doubao-seedream-4-5-251128`                       |
| `prompt`    | string  | Yes      | Image generation prompt                                    |
| `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-4-5-251128-t2i">
  View the interactive API Playground for Seedream 4.5 Text-to-Image.
</Card>