Seedream 4.5 — ByteDance 4K AI Image Editor
Preserve reference image details, design posters & logos with clear text, edit multi-image compositions. Professional 4K visuals for e-commerce & ads.
Frequently asked questions
What is Seedream 4.5?
Seedream 4.5 is ByteDance's latest image generation model with all-round improvement through overall model scaling. It excels at reference image consistency, poster layout & logo design, and accurate multi-image editing, delivering professional visuals with high consistency and fidelity.
How does reference image consistency work?
It preserves facial features, lighting, color tone, and other details from your reference image. You can keep specific characters, change materials (metal to water/glass), translate text while keeping layouts, or modify only highlighted areas — all while maintaining professional editing quality.
What makes it great for poster and logo design?
It offers designer-level composition and typography with clear, readable small text. Perfect for art exhibition posters, e-commerce product pages, brand visuals, wedding invitations, beauty KVs, gym promotional materials, and cafe design mockups.
How does multi-image editing work?
It accurately identifies target elements across multiple input images, enabling controllable and consistent multi-image generation. The model precisely locates main subjects and preserves reference details for complex visual compositions.
How has it improved over Seedream 4.0?
Seedream 4.5 shows significant improvement across core dimensions including prompt adherence, alignment, and aesthetics in internal MagicBench testing — for both text-to-image and single-image editing tasks.
What are the best use cases?
E-commerce: product displays, best-seller layouts, price tags. Advertising: gym promos, beauty KVs, brand visuals. Design: minimalist posters, wedding invitations, cafe mockups. Creative: 3D miniature worlds, material transformations, multilingual content localization.
What resolution and quality does it support?
It generates visuals up to 4K resolution with cinematic color grading, realistic lighting, and natural proportions, delivering professional-grade output for creative workflows.
Is Seedream 4.5 free to use?
Free credits are included for new users. Buy additional credits or subscribe for more usage. Unused credits don't expire, and failed jobs are auto-refunded. Check Pricing for detailed plans.
