SeeDream 5.0 Pro - Unifically

Generate images using ByteDance SeeDream 5.0 Pro. Supports text-to-image and image editing with up to 10 reference images, 8 aspect ratios, and resolution tiers up to 2K.

Model

bytedance/seedream-5.0-pro

Parameters

Parameter	Type	Required	Default	Description
`prompt`	string	Yes	—	Text prompt describing the desired image (max 6000 chars). Recommended: ≤ 300 Chinese characters or ≤ 600 English words
`aspect_ratio`	string	No	`"1:1"`	`1:1`, `4:3`, `3:4`, `16:9`, `9:16`, `3:2`, `2:3`, `21:9`. Combined with `resolution` to pick the output pixel size (e.g. 2K + 16:9 → 2624x1472)
`image_urls`	string[]	No	`null`	Reference image URLs for image editing (max 10). Omit for text-to-image. Max 10 MB each; max 36,000,000 pixels; min side > 14 px; aspect ratio 1/16–16. Formats: jpeg, jpg, png, webp, bmp, tiff, gif, heic, heif
`resolution`	string	No	`"2K"`	`1K`, `1.5K`, `2K` (case-insensitive)
`output_format`	string	No	`"png"`	`jpeg`, `jpg`, `png`

Example - Text-to-Image

curl -X POST https://api.unifically.com/v1/tasks \
  -H "Content-Type: application/json" \
  -H "Authorization: Bearer YOUR_API_KEY" \
  -d '{
    "model": "bytedance/seedream-5.0-pro",
    "input": {
      "prompt": "A cyberpunk city at sunset, neon lights reflecting on wet streets",
      "aspect_ratio": "16:9",
      "resolution": "2K"
    }
  }'

Example - Image-to-Image

curl -X POST https://api.unifically.com/v1/tasks \
  -H "Content-Type: application/json" \
  -H "Authorization: Bearer YOUR_API_KEY" \
  -d '{
    "model": "bytedance/seedream-5.0-pro",
    "input": {
      "prompt": "Place the animal inside the vintage car",
      "image_urls": [
        "https://example.com/animal.jpg",
        "https://example.com/car.jpg"
      ],
      "resolution": "2K"
    }
  }'

SeeDream 5.0 Pro generates exactly one image per request — it has no sequential mode. The max_sequential_images and web_search parameters available on SeeDream 5.0 Lite are rejected on this model.

Response

{
  "code": 200,
  "success": true,
  "data": {
    "task_id": "9d489f02-316f-4386-8188-dc19540d56f5",
    "status": "completed",
    "output": {
      "image_urls": [
        "https://files.unifically.com/image/92116e95-8dd4-4cbb-b53f-ee643e1045d8.png"
      ]
    }
  }
}

Kling 2.1 Image SeeDream 5.0 Lite

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