Seedream 5.0 Lite - Ekly API

BytePlus Seedream 5.0 Lite image generation with text-to-image, reference image editing, and sequential image generation.


Model id	`seedream-5-0-lite-byteplus`
Media	image
Submit to	`POST /v1/images`
Price	5 credits per_generation before discounts
Typical time	about 20.0 s

Request

Required: prompt
Optional: aspect_ratio, generate_image_count, image_quality, reference_images

{
  "model": "seedream-5-0-lite-byteplus",
  "prompt": "Three-quarter character sheet of an Indian uncle in a cream kurta, clean forehead, soft studio key, seamless warm grey backdrop, photoreal, 50mm. No text.",
  "aspect_ratio": "1:1",
  "generate_image_count": 1,
  "image_quality": "2K"
}

Field	Allowed	Default
`aspect_ratio`	`1:1`, `4:3`, `3:4`, `16:9`, `9:16`, `3:2`, `2:3`, `21:9`	`"1:1"`
`generate_image_count`	1.0 – 15.0	`1`
`image_quality`	`2K`, `3K`, `4K`	`"2K"`
`reference_images`	asset ids (up to 14)

Reference inputs take asset ids from POST /v1/uploads or an earlier output’s asset_id. Prices and allowed values come from the live catalog; GET /v1/models/seedream-5-0-lite-byteplus is always current.