Seedream 4.5 是字节跳动推出的高精度图像生成模型,支持 4K 生成、精确编辑和一致的多图输出。

Model Type:
Pricing: 6.5 credits per image (=$0.0325), a smooth 19 % below the official price. High-tier top-ups (+10% bonus) bring effective pricing down to ~$0.030 per image.
Input

A text description of the image you want to generate

0/3000

Click to upload or drag and drop

Supported formats: JPEG, PNG, WEBP Maximum file size: 30MB; Maximum files: 14

Upload an image file to use as input for the API

Width-height ratio of the image, determining its visual form.

Basic outputs 2K images, while High outputs 4K images.

A configurable parameter. Defaults to true in the Playground.

There is no guarantee that everything can be filtered out; if you are not satisfied with the results, you will need to make your own arrangements.
Output
output typeimage
Generated output
Examples

Explore different use cases and parameter configurations

README

Complete guide to using seedream/4.5-edit

实惠的 Seedream 4.5 API 和 Seedream v4.5 编辑图像 API

Original image
Seedream 4.5 API 支持 4K 分辨率输出
Seedream 4.5 细节保真与美学协调性
Seedream 4.5 API 支持最多 10 张参考图像的多图合成
Seedream 4.5 API 提升空间推理与场景结构
Seedream 4.5 精确执行复杂的指令
Seedream 4.5 API 清晰显示小字和面部特征
Seedream 4.5 API 支持批量生成图像
Seedream 4.5 与 Seedream 4.0 的文本图像雷达图对比
Seedream 4.5 与 Seedream 4.0 单图编辑对比雷达图
Nano Banana Pro 与 Seedream 4.5 的图像生成表现对比
Nano Banana Pro 与 Seedream 4.5 编辑表现对比
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