Bytedance Seedream V4.5 Edit

Playground

Seedream 4.5 Edit by ByteDance is a state-of-the-art image editing model preserving facial features, lighting, and color tones from reference images. Features high-fidelity editing with professional quality, superior prompt adherence, and up to 4K resolution. Ready-to-use REST API with best performance.

Features

bytedance/seedream-v4.5/edit (Image-to-Image)

Seedream 4.5 Edit is ByteDance’s advanced image editing model that preserves facial features, lighting, color tones, and fine details from reference images while enabling professional-quality modifications.

Model Highlights

Reference Image Consistency: Preserves facial features, lighting, and color tones from input images
High-Fidelity Editing: Professional editing quality with precise detail retention
Superior Prompt Adherence: Improved alignment between edit instructions and outputs
High Resolution: Supports up to 4K (4096×4096) resolution
Clean Edges: Minimal artifacts and clean edge preservation

Use Cases

Portrait retouching and enhancement
Outfit and accessory swaps
Background replacement
Product visualization and colorway changes
Interior design modifications
Brand visual iterations

Price

Only $0.04 per edit!

How to Use

Upload source image: Provide the base image to edit
Write edit prompt: Clearly describe the desired changes (action + object + target feature)
Set size: Maximum resolution 4096×4096
Run: Generate your edited image

Prompt Patterns

Outfit/Accessory Change

Change outfit to {DESCRIPTION}, keep pose and lighting, preserve skin tone, clean edges

Background Replacement

Replace background with {SCENE}, match lighting direction, soft shadows, no haloing

Style Transfer

Apply {STYLE} style, maintain subject identity, consistent color grading

Authentication

For authentication details, please refer to the Authentication Guide.

API Endpoints

Submit Task & Query Result


# Submit the task
curl --location --request POST "https://api.wavespeed.ai/api/v3/bytedance/seedream-v4.5/edit" \
--header "Content-Type: application/json" \
--header "Authorization: Bearer ${WAVESPEED_API_KEY}" \
--data-raw '{
    "size": "2048*2048",
    "enable_sync_mode": false,
    "enable_base64_output": false
}'

# Get the result
curl --location --request GET "https://api.wavespeed.ai/api/v3/predictions/${requestId}/result" \
--header "Authorization: Bearer ${WAVESPEED_API_KEY}"

Parameters

Task Submission Parameters

Request Parameters

Parameter	Type	Required	Default	Range	Description
prompt	string	Yes		-	The positive prompt for the generation.
images	array	Yes	[]	1 ~ 10 items	The images to edit. A maximum of 10 reference images can be uploaded.
size	string	No	2048*2048	1440 ~ 4096 per dimension	Specify the width and height pixel values of the generated image.Total pixel value range: [25601440, 40964096]
enable_sync_mode	boolean	No	false	-	If set to true, the function will wait for the result to be generated and uploaded before returning the response. It allows you to get the result directly in the response. This property is only available through the API.
enable_base64_output	boolean	No	false	-	If enabled, the output will be encoded into a BASE64 string instead of a URL. This property is only available through the API.

Response Parameters

Parameter	Type	Description
code	integer	HTTP status code (e.g., 200 for success)
message	string	Status message (e.g., “success”)
data.id	string	Unique identifier for the prediction, Task Id
data.model	string	Model ID used for the prediction
data.outputs	array	Array of URLs to the generated content (empty when status is not `completed`)
data.urls	object	Object containing related API endpoints
data.urls.get	string	URL to retrieve the prediction result
data.has_nsfw_contents	array	Array of boolean values indicating NSFW detection for each output
data.status	string	Status of the task: `created`, `processing`, `completed`, or `failed`
data.created_at	string	ISO timestamp of when the request was created (e.g., “2023-04-01T12:34:56.789Z”)
data.error	string	Error message (empty if no error occurred)
data.timings	object	Object containing timing details
data.timings.inference	integer	Inference time in milliseconds

Result Request Parameters

Bytedance Seedream V4.5 Bytedance Seedream V4.5 Edit Sequential