High-resolution output
Seedream 4.5 targets high-res generation, exposed via 2K / 4K tiers and supported aspect ratios for a simple, stable entry.
Native 4K
Seedream 4.5
ByteDance Seed image model — text-to-image, reference-image generation, and editing. 2K / 4K output, common aspect ratios, up to 10 reference images. Ideal for posters, marketing visuals, product shots, and high-res creative assets.
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Seedream 4.5 capabilities
A Seedream model tuned for typography, layout, prompt-fidelity, and high-res output
Posters, design layout, reference-image editing, marketing visuals — see how Seedream 4.5 lands design-grade work.
Portrait / product / wide-shot
Portrait, e-com hero, brand wide shots all covered. Strong overall aesthetic — performs well on MagicBench and similar tests.
Portrait, product, wide-shot
Cinematic lighting
Three-point setups, soft window light, golden hour rim — pro lighting cues land in-frame.
Cinematic lighting
Photoreal materials
Skin, fabric, metal, glass — texture handled correctly, e-com hero shots usable as-is.
Photoreal materials
Explore More Models
Switch models in one click inside the same generator
Model Comparison
Seedream 4.5 vs Seedream 5.0
Pick the right Seedream version.
| Feature | ★ Seedream 4.5 | Seedream 5.0 |
|---|---|---|
| Resolution | 2K / 4K | ★ Native 4K |
| Photoreal feel | High-res general | ★ Cinematic |
| Reference images | Up to 10 | ★ Up to 14 |
| Best for | ★ Posters / marketing / design layout | Portrait / product hero / cinematic |
Both models switch from the same generator.
Seedream 4.5 — built for clear text, poster layout, and high-res marketing visuals
Reinforced typography, design-grade layout, prompt-fidelity, high-res output, and overall aesthetic quality.
Enhanced text & typography
Higher in-image text clarity and readability — ideal for posters, logos, UI mocks, product cards, and marketing layouts.
Designer-grade poster layout
Handles complex poster layouts with clear hierarchy across title, subtitle, body, logo, and subject.
Strong prompt fidelity
Follows subject, layout, mood, and style details reliably — preferred when you need explicit composition.
High-res output
Built for high-res generation, exposed via 2K / 4K tiers for a stable entry.
Seedream 4.5 FAQ
What is Seedream 4.5?
ByteDance Seed image model that supports text-to-image, reference-image generation, and editing.
What scenarios is it best for?
Better for posters, product visuals, marketing imagery, and high-res visual assets with typography.
Does it support reference images and editing?
Yes — up to 10 reference images. You can also edit by combining reference images with text instructions.
Which aspect ratios and resolutions?
Ratios 1:1, 2:3, 3:2, 3:4, 4:3, 9:16, 16:9, 21:9, with 2K and 4K tiers.
Difference vs Seedream 5.0?
Seedream 4.5 supports up to 10 reference images at 2K / 4K; Seedream 5.0 supports up to 14 at native 4K.
Commercial use?
Paid-tier users can use outputs commercially; free users for personal/non-commercial use only.
Generate 2K or 4K imagery with Seedream 4.5
Classic & stable · Budget-friendly.