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bytedance/seedream-v4/sequential

bytedance/seedream-v4/sequential

At 302.AI, WaveSpeed's models are used directly.

2025-07-28

Image Generations

Pricing:

$0.027/picture

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API Overview

Seedream 4.0, Image Generation with 4K Resolution · Editing · Character & Object Consistency · Multi-Image Generation in Sequence. Price = unit_price * max_images

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API Reference (2)

API Description	API Endpoint	Request Method	Stability	Parameter Description
bytedance/seedream-v4/sequential	https://api.302.ai/ws/api/v3/bytedance/seedream-v4/sequential	POST	Stable	View Details
Document Details Seedream 4.0, supports 4K resolution image generation · editing · character and object consistency · multi-image sequence generation. Request Parameters Header Parameters Authorizationstring Optional Example Value:`Bearer {{YOUR_API_KEY}}` Request Body application/json promptstring Required Positive prompt words for content generation (required). sizestring Optional Generate the dimensions of the media (width × height), in pixels. Dimension range: 1024 ~ 4096 pixels (optional). Images up to 4K resolution are supported. If you need to match the dimensions of an existing image, you must explicitly specify the size; automatic resizing is not available. max_imagesinteger Optional Maximum number of images that can be generated (up to 15). This value must be consistent with the number of images specified in the prompt above. enable_base64_outputboolean Optional Enable BASE64 output (optional). If enabled, the output will be encoded as a BASE64 string instead of a URL, and will only be available via the API. enable_sync_modeboolean Optional Enable synchronous mode (optional). If set to true, the function will wait for the result to be generated and uploaded before returning the response. Allows you to obtain the result directly in the response, available only via API. callbackstring Optional Callback interface address (optional). After the task is generated, the system will send a result request to this link. Returning status code 200 indicates successful receipt.
Wavespeed Retrieval Task	https://api.302.ai/ws/api/v3/predictions/{requestId}/result	GET	Stable	View Details
Document Details 302 and Wavespeed have officially partnered, and now all Wavespeed models are available on 302 with no change in price. Model list: https://wavespeed.ai/models Usage: In the generation task request, obtain the requestId and enter it into the API to retrieve results. Pricing: Refer to Wavespeed Request Parameters Path Parameters requestIdstring Required Header Parameters Authorizationstring Required Example Value:`Bearer {{YOUR_API_KEY}}`

API Pricing

$￥円 ₽

Model	Description	302.AI Price

bytedance/seedream-v4/sequential	The maximum number of images that can be generated (upto 15). This value must align with the number of images specified in the prompt above.	$0.027/picture
Wavespeed Retrieval Task	-	Refer to wavespeed

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