Seedream 4.5 AI Image Generator
Run ByteDance's Seedream 4.5 model online. Generate striking photorealistic images from text or edit your own photos image-to-image, with crisp 2K Basic and 4K High output across eight aspect ratios.
Ready to create
Enter a prompt and start generating
What Seedream 4.5 Can Create
Real, unedited frames generated straight from Seedream 4.5.






Why Seedream 4.5 Stands Out
Three strengths that set Seedream 4.5 apart.

Cinematic realism with dramatic lighting
Film noir moods and high-contrast portrait lighting come out with true cinematic weight β the frame looks graded, not generated.

Crisp quality from 2K to 4K
Basic 2K for fast drafts, High 4K for razor-sharp detail β epic landscapes and big scenes hold up under close inspection.

Strong Chinese and oriental aesthetics
It has an unusually good grasp of Eastern visual culture, nailing ink-wash moods, classical costume, and oriental scenes.
What is Seedream 4.5?
Seedream 4.5 is ByteDance's flagship image generation model, built for photorealism and precise editing. It handles both text-to-image creation and image-to-image editing, so you can conjure a brand-new scene from a written prompt or upload an existing photo and reshape it without losing the details that matter.
Where Seedream 4.5 stands out is fidelity. The model renders convincing skin texture, realistic lighting and material surfacesβglass, fabric, metalβthat hold up at full resolution. Choose Basic quality for fast 2K results, or switch to High quality for 4K output sharp enough for print, ad creative, and large-format display.
With eight aspect ratios spanning square 1:1, portrait 9:16 and 3:4, landscape 16:9 and 4:3, plus cinematic 21:9 and the photographic 2:3 and 3:2, Seedream 4.5 fits whatever canvas your project needs. Each generation costs 15 credits, with no watermark on the output.
Seedream 4.5 Specifications
Why choose Seedream 4.5?
ByteDance built Seedream 4.5 for creators who need photoreal results and real editing controlβnot just another prompt-to-picture toy.
Photorealism that holds up close
Seedream 4.5 excels at lifelike skin, lighting and materials. Surfaces like glass, fabric and metal stay convincing even when you zoom all the way in at 4K.
Real image editing, not just generation
Upload a photo and edit it image-to-imageβswap elements, restyle a scene or refine a product shotβwhile keeping the parts you want untouched.
Up to 4K High quality
Pick Basic 2K for quick iterations or High 4K when you need detail sharp enough for print, billboards and large-format display.
Eight aspect ratios
From square 1:1 and vertical 9:16 to cinematic 21:9, Seedream 4.5 covers social, e-commerce and film canvases without awkward cropping.
Text-to-image and image-to-image in one model
Create something new from a written prompt, or start from your own image. One Seedream 4.5 model handles both creation and editing workflows.
Clean, commercial-ready output
Every Seedream 4.5 image is delivered watermark-free at a flat 15 credits, ready to use for client work, ads and storefronts.
How Seedream 4.5 compares
An honest look at where Seedream 4.5 sits next to other top image models on the platform. Resolutions and credits reflect current settings.
| Model | Max resolution | Batch export | Credits |
|---|---|---|---|
πSeedream 4.5 | Up to 4K | 15 | |
πSeedream 4.0 | Up to 4K | 10 | |
πNano Banana Pro | Up to 4K | 20 | |
π€GPT Image 2 | Automatic | 20 | |
π¨Flux 2 | Up to 4K | 20 |
How to use Seedream 4.5
From idea to finished image in three steps.
Select Seedream 4.5
Choose Seedream 4.5 from the model list, then set your aspect ratio and pick Basic (2K) or High (4K) quality.
Describe or upload
Type a prompt for text-to-image, or upload a photo and describe your edit for image-to-image. Be specific about subject, lighting and style.
Generate and download
Click generate, wait a few seconds, and download your watermark-free image. Refine the prompt and run again if you want a different take.
What can you build with Seedream 4.5?
Photorealism plus editing makes Seedream 4.5 a fit for commercial and creative work alike.
E-commerce product shots
Generate clean white-background and lifestyle product images, or edit existing photos to swap backgrounds and refine details for your storefront.
Photoreal portraits and scenes
Lean on Seedream 4.5's realism to create believable people, environments and lightingβno studio or reference shoot required.
Social media visuals
Spin up covers and posts in 9:16, 1:1 or 16:9 for Instagram, TikTok and beyond, all from a single text prompt.
Concept art and illustration
Explore styles and moods quickly, then push your favorite frames to 4K High quality for portfolio-grade detail.
Ads and marketing creative
Produce banners, posters and campaign imagery in cinematic 21:9 or any ratio, delivered watermark-free for client-ready use.
Photo editing and retouching
Use image-to-image to restyle scenes, replace elements or clean up shots while preserving the parts of the photo you want to keep.
Seedream 4.5 Frequently Asked Questions
Common questions about running ByteDance's Seedream 4.5 model here.
Explore other models
Switch between top models in the same generator
Create with Seedream 4.5
Sign up and put ByteDance's photoreal model to workβtext-to-image or editing, up to 4K, watermark-free.






