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

# Seedream 5.0 Lite

> Use ByteDance Seedream 5.0 Lite through AnyFast for text-to-image generation, image editing, and coherent image sets.

Seedream 5.0 Lite is ByteDance's image generation and editing model for single images, multi-image references, and coherent image sets. Use model ID `seedream-5-0-lite-260128`.

<Info>For specific content requests, select the **Special-Ns** resource group.</Info>

## Key capabilities

* **Text to image** — Generate single images or coherent image sets from natural-language prompts
* **Image to image** — Add, remove, replace, or restyle content while preserving requested source details
* **Multi-image reference** — Combine subjects, products, styles, or layouts from multiple references
* **Visual-instruction editing** — Use arrows, boxes, masks, and doodles to identify the edit region
* **Coherent image sets** — Create storyboards, comics, and branded image sets
* **Knowledge-rich visuals** — Create diagrams, formulas, educational images, and information graphics

<Tabs>
  <Tab title="Text to image">
    ## Single image

    ```bash cURL theme={null}
    curl https://www.anyfast.ai/v1/images/generations \
      -H "Authorization: Bearer <token>" \
      -H "Content-Type: application/json" \
      -d '{
        "model": "seedream-5-0-lite-260128",
        "prompt": "A clean editorial poster explaining the water cycle, accurate labels and clear hierarchy",
        "size": "2K",
        "response_format": "url",
        "output_format": "png",
        "watermark": false
      }'
    ```

    ## Coherent image set

    ```bash cURL theme={null}
    curl https://www.anyfast.ai/v1/images/generations \
      -H "Authorization: Bearer <token>" \
      -H "Content-Type: application/json" \
      -d '{
        "model": "seedream-5-0-lite-260128",
        "prompt": "Generate four coherent cinematic storyboard frames of an astronaut repairing a spacecraft",
        "size": "2K",
        "sequential_image_generation": "auto",
        "sequential_image_generation_options": { "max_images": 4 },
        "output_format": "png",
        "watermark": false
      }'
    ```

    | Parameter                                        | Type    | Required | Description                                       |
    | ------------------------------------------------ | ------- | -------- | ------------------------------------------------- |
    | `model`                                          | string  | Yes      | Must be `seedream-5-0-lite-260128`                |
    | `prompt`                                         | string  | Yes      | Image generation prompt                           |
    | `size`                                           | string  | No       | `2K`, `3K`, `4K`, or supported explicit pixels    |
    | `seed`                                           | integer | No       | Random seed                                       |
    | `sequential_image_generation`                    | string  | No       | `auto` for an image set; `disabled` for one image |
    | `sequential_image_generation_options.max_images` | integer | No       | Maximum generated images                          |
    | `response_format`                                | string  | No       | `url` or `b64_json`                               |
    | `output_format`                                  | string  | No       | `png` or `jpeg`                                   |
    | `watermark`                                      | boolean | No       | Whether to add an AI-generated watermark          |
    | `optimize_prompt_options.mode`                   | string  | No       | Prompt optimization mode. Use `standard`.         |
  </Tab>

  <Tab title="Image to image">
    ```bash cURL theme={null}
    curl https://www.anyfast.ai/v1/images/generations \
      -H "Authorization: Bearer <token>" \
      -H "Content-Type: application/json" \
      -d '{
        "model": "seedream-5-0-lite-260128",
        "prompt": "Replace the clothing in image 1 with the outfit from image 2 while preserving identity and lighting",
        "image": [
          "https://example.com/person.png",
          "https://example.com/outfit.png"
        ],
        "size": "2K",
        "output_format": "png",
        "watermark": false
      }'
    ```

    ## Coherent image set from references

    ```json theme={null}
    {
      "model": "seedream-5-0-lite-260128",
      "prompt": "Create four coherent cinematic storyboard frames using the reference character",
      "image": ["https://example.com/character.png"],
      "size": "2K",
      "sequential_image_generation": "auto",
      "sequential_image_generation_options": {
        "max_images": 4
      },
      "response_format": "url",
      "output_format": "png",
      "watermark": false
    }
    ```

    | Parameter                                        | Type            | Required | Description                                                                    |
    | ------------------------------------------------ | --------------- | -------- | ------------------------------------------------------------------------------ |
    | `model`                                          | string          | Yes      | Must be `seedream-5-0-lite-260128`                                             |
    | `prompt`                                         | string          | Yes      | Image editing or reference-generation instruction                              |
    | `image`                                          | string or array | Yes      | URL, Base64 data URI, or up to 14 references                                   |
    | `size`                                           | string          | No       | `2K`, `3K`, `4K`, or supported explicit pixels                                 |
    | `seed`                                           | integer         | No       | Random seed                                                                    |
    | `sequential_image_generation`                    | string          | No       | `auto` or `disabled`                                                           |
    | `sequential_image_generation_options.max_images` | integer         | No       | Maximum images to return; references plus generated images must not exceed 15. |
    | `response_format`                                | string          | No       | `url` or `b64_json`                                                            |
    | `output_format`                                  | string          | No       | `png` or `jpeg`                                                                |
    | `watermark`                                      | boolean         | No       | Whether to add an AI-generated watermark                                       |
    | `optimize_prompt_options.mode`                   | string          | No       | Prompt optimization mode. Use `standard`.                                      |

    ## Input limits

    Supported formats are `jpeg`, `png`, `webp`, `bmp`, `tiff`, `gif`, `heic`, and `heif`. Each image must be no larger than 30 MB, have an aspect ratio in `[1/16, 16]`, have width and height greater than 14 px, and contain no more than 36,000,000 pixels. Up to 14 references are supported, and the number of references plus generated images must not exceed 15.
  </Tab>
</Tabs>

<Note>URLs returned with `response_format: "url"` expire after 24 hours.</Note>

<Card title="API Reference" icon="code" href="/api-reference/model-api/bytedance/seedream-5-0-lite-260128">View both Seedream 5.0 Lite workflows.</Card>

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