
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
- seedintRandom seed to control the stochasticity of image generation.
- image_urlsarrayList 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_sizestringThe 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_9default: [object Object]
- max_imagesintIf 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: 1range: 1 … 6
- num_imagesintNumber of separate model generations to be run with the prompt.default: 1range: 1 … 6
- aspect_ratiostringNo description.auto_4K16:99:161:14:33:4default: auto_4K
- enable_safety_checkerbooleanNo description.default: true