Generate AI images using ByteDance SeeDream V4.5 with support for up to 14 reference images, enhanced quality up to 4K, and improved prompt adherence.

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Model

bytedance/seedream-4.5

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Parameters

ParameterTypeRequiredDescription
promptstringYesText description of the image to generate
image_urlsarrayNoReference image URLs (up to 14)
resolutionstringNo2k or 4k (default: 2k)
aspect_ratiostringNo1:1, 4:3, 3:2, 16:9, 3:4, 2:3, 9:16
seedintegerNoSeed for reproducibility

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Improvements Over V4

  • Up to 14 reference images (vs 8 in V4)
  • 4K resolution support
  • Improved prompt adherence
  • Better detail and consistency

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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-4.5",
    "input": {
      "prompt": "A magical forest with glowing mushrooms and fireflies",
      "resolution": "4k",
      "aspect_ratio": "1:1"
    }
  }'

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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-4.5",
    "input": {
      "prompt": "Transform into a fantasy art style with vibrant colors",
      "image_urls": ["https://example.com/reference.jpg"],
      "resolution": "4k",
      "aspect_ratio": "16:9"
    }
  }'

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Response

{
  "code": 200,
  "success": true,
  "data": {
    "task_id": "abc123def456",
    "status": "pending"
  }
}

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Pricing

ResolutionPrice
2K$0.02
4K$0.02