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Seedream 4.0 API

bytedance-seedream-v4-edit
ByteDanceCommercial use API verifiedImage generation

Seedream 4.0 — fast, high-fidelity AI image generation & editing.

by ByteDance

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Model Type:

Pricing: Seedream 4.0 costs 2.74 credits per image (≈ $0.0274).

Save up to 11%with the $1,250 top-up pack (+10% bonus) — 2% lower than direct rates even without itTop up

24H Status Monitor

Operational
24h agonow

Input

prompt*156 / 5000 characters
156 / 5000

The text prompt used to edit the image

image_urls*
Drag and drop or click to upload your imagesSupported formats: JPEG, PNG, WEBP · Maximum file size: 10MB; Maximum files: 10Select files

List of URLs of input images for editing. Presently, up to 10 image inputs are allowed.

image_size

The size of the generated image.

image_resolution

Final image resolution is determined by combining image_size (aspect ratio) and image_resolution (pixel scale). For example, choosing 4:3 + 4K gives 4096 × 3072px

max_images

Set this value (1–6) to cap how many images a single generation run can produce in one set—because they’re created in one shot rather than separate requests, you must also state the exact number you want in the prompt so both settings align.

seed

Random seed to control the stochasticity of image generation.

NSFW filter
OnLocked — this platform doesn't generate adult content.
≈ 2.74 cr / run

Output

output typeimage
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You only pay for successful generations — if a task fails or returns no result, its credits are refunded automatically, never charged. And your credits never expire: top up once and spend at your own pace.1 credit = $0.01 USDTop up $1,250 for +10% bonus credits → up to ~9% more off every call.Top up credits
Seedream 4.0 API pricing2 prices

Seedream V4 Edit

imageByteDance

Credits / Gen2.74per generation
Our Price (USD)$0.0274
Direct / Standard Price (USD)$0.028
Base savings−2.1%
Savings with top-up · $1,250 · +10%−11% ↓

Seedream V4 Text To Image

imageByteDance

Credits / Gen4.01per generation
Our Price (USD)$0.0401
Direct / Standard Price (USD)N/A
Base savingsN/A
Savings with top-up · $1,250 · +10%N/A

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