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Bytedance Seedream v4.5 Edit
Image editseedream-v45bytedance-seedream-v4.5-edit

Bytedance Seedream v4.5 Edit

Seedream-v4.5 Edit allows you to transform an existing image using natural-language instructions. It preserves the core composition, lighting, and style of the original while modifying only the requested elements — perfect for object replacement, environment changes, stylistic adjustments, and high-detail creative reworks.

Seedream guideVerified

ByteDance's image line, sibling to the Seedream edit (Seededit) variant. Strong photoreal scene composition and creative visuals.

Strengths
  • Premium photoreal scene composition — environments feel believable.
  • Strong on detailed atmospheres (mist, smoke, lighting layers).
  • Seedream v5.0 jumped quality significantly over v4.
Best for
  • Detailed environment + subject scenes
  • Atmospheric / cinematic stills
Prompting tips
  • Layer your description: environment first, subject second, lighting third, mood fourth.
Parameters
  • seed
    int
    Random seed to control the stochasticity of image generation.
  • image_urls
    array
    List of URLs of input images for editing. Presently, up to 10 image inputs are allowed. If over 10 images are sent, only the last 10 will be used.
  • image_size
    string
    The size of the generated image. Width and height must be between 1920 and 4096, or total number of pixels must be between 2560*1440 and 4096*4096.
    square_hdsquareportrait_4_3portrait_16_9landscape_4_3landscape_16_9
    default: [object Object]
  • max_images
    int
    If set to a number greater than one, enables multi-image generation. The model will potentially return up to `max_images` images every generation, and in total, `num_images` generations will be carried out. In total, the number of images generated will be between `num_images` …
    default: 1
    range: 1 6
  • num_images
    int
    Number of separate model generations to be run with the prompt.
    default: 1
    range: 1 6
  • aspect_ratio
    string
    No description.
    auto_4K16:99:161:14:33:4
    default: auto_4K
  • enable_safety_checker
    boolean
    No description.
    default: true
You'll need
  • A text prompt
  • Source images
Try now

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