Routeway Logo
Back to Models
ByteDance

Seedream 4.5

Available

Description

Seedream 4.5 is the latest image model with improved quality.

At a Glance

Key pricing and model details available for this model.

Starting price

$0.04

per image

Hallucination rate

0%

Supported sizes

1920x1920, 2048x2048, 2496x1664, 1664x2496, 3072x2048, 2048x3072, 4096x2304, 2304x4096, 4096x4096

Image Pricing

Image generation pricing currently exposed by the models API.

Starting price

$0.04

per image

Resolution Pricing

Resolution-specific prices returned for this image model.

1664x2496$0.04
1920x1920$0.04
2048x2048$0.04
2048x3072$0.04
2304x4096$0.04
2496x1664$0.04
3072x2048$0.04
4096x2304$0.04
4096x4096$0.04
auto$0.04

Image Details

Additional image-related pricing and format support.

Pricing unitper image
Supported sizes
1920x1920
2048x2048
2496x1664
1664x2496
3072x2048
2048x3072
4096x2304
2304x4096
4096x4096

Feature Availability

Capabilities explicitly listed in the current payload.

Image

Available

Yes

Vision

Not listed

No

Function calling

Not listed

No

Reasoning

Not listed

No

Benchmark Summary

Overall image benchmark metrics currently available. CI95: -9/9

Overall ELO

1172

Rank

#10

Appearances

5,785

Category Breakdown

Available per-category ELO results from the current benchmark payload.

Style Traditional Art

369 appearances · CI95 -38/38

1251

ELO

Subject Fantasy Mythical

882 appearances · CI95 -25/25

1244

ELO

Style Cartoon Illustration

504 appearances · CI95 -34/34

1236

ELO

Subject People: Groups Activities

628 appearances · CI95 -29/29

1226

ELO

Style Anime

475 appearances · CI95 -35/35

1209

ELO

Subject People: Portraits

600 appearances · CI95 -30/30

1186

ELO

Subject Futuristic Sci-fi

768 appearances · CI95 -26/26

1182

ELO

Subject Nature Landscapes

529 appearances · CI95 -31/31

1176

ELO

Style General Photorealistic

2,188 appearances · CI95 -15/15

1175

ELO

Style Vintage Retro

268 appearances · CI95 -45/45

1173

ELO

Subject Commercial

399 appearances · CI95 -37/37

1163

ELO

Style Graphic Design Digital Rendering

1,714 appearances · CI95 -17/17

1133

ELO

Subject Ui/ux Design

187 appearances · CI95 -56/56

1129

ELO

Subject Physical Spaces

819 appearances · CI95 -24/24

1118

ELO

Subject Text Typography

231 appearances · CI95 -47/47

1076

ELO

Code Samples

Quick start with the Routeway API

const response = await fetch('https://api.routeway.ai/v1/images/generations', {
  method: 'POST',
  headers: {
    'Authorization': 'Bearer <YOUR_API_KEY>',
    'Content-Type': 'application/json'
  },
  body: JSON.stringify({
    model: 'seedream-v4.5',
    prompt: 'A futuristic city skyline at sunset',
    size: '1024x1024',
  })
});

const imageData = await response.json();
console.log(imageData);