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

# Seedream 3.0 — Text-to-Image

> Generate images from text prompts with ByteDance Seedream 3.0.

|              |                                         |
| ------------ | --------------------------------------- |
| **Model ID** | `bytedance/seedream-3.0-t2i`            |
| **Family**   | `seedream-3-0`                          |
| **Task**     | `text-to-image`                         |
| **Provider** | ByteDance                               |
| **Modality** | Image                                   |
| **Price**    | \$0.03 / image (list), billed at 5% off |

## Parameters

<ParamField body="prompt" type="string" required>
  The text description of the image to generate.
</ParamField>

<ParamField body="size" type="string" default="1024x1024">
  Output resolution. One of `1024x1024`, `1024x1536`, `1536x1024`, `2048x2048`.
</ParamField>

<ParamField body="guidance_scale" type="number" default="2.5">
  How closely the image follows the prompt (1–10).
</ParamField>

<ParamField body="seed" type="integer">
  Reproducibility seed. Omit or `-1` for a random seed.
</ParamField>

## Example

```bash theme={null}
curl https://routerbase.com/v1/images/generations \
  -H "Authorization: Bearer $ROUTERBASE_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "bytedance/seedream-3.0-t2i",
    "prompt": "a red panda barista pulling an espresso shot, warm morning light",
    "size": "1024x1024"
  }'
```