Seedream 4.5
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About
ByteDance Seedream 4.5 — upgraded unified image generation and editing model with stronger spatial understanding, world knowledge, and cinematic visuals. Up to 4K.
Settings
Image Size- Select the resolution for image generation: 2K (2048×2048, balanced quality and speed), 4K (4096×4096, ultra-high quality), or 'custom' to specify exact dimensions.
Aspect Ratio- Choose the aspect ratio for the generated image: match_input_image (preserves original ratio), 16:9 (landscape), 9:16 (portrait), 1:1 (square), 4:3 (classic), or custom ratios.
Sequential Generation- Enable automatic sequential image generation to create a series of related images. 'auto' mode generates up to max_images in sequence. Perfect for storyboards or product variations.
Maximum Images- Maximum number of images to generate when sequential_image_generation='auto'. Range: 1-15. Total images (input + generated) cannot exceed 15. Perfect for creating image series or variations.