What is Seedream 4.5?

Seedream 4.5 is ByteDance's advanced AI image generation model that supports both text-to-image and image-to-image generation with up to 4K quality.

What is the difference between Basic and High quality?

Basic quality outputs 2K resolution images, while High quality outputs 4K resolution images for more detailed results.

What aspect ratios are supported?

Seedream 4.5 supports 8 aspect ratios: 1:1, 4:3, 3:4, 16:9, 9:16, 2:3, 3:2, and 21:9.

Can I edit existing images?

Yes! Use the image-to-image mode to upload an image and describe the changes you want to make.

Is Seedream 4.5 free to use?

Sora2 Hub offers free credits for new users to try Seedream 4.5. Each image costs 50 credits.

Seedream 4.5 AI Image Generator

Seedream 4.5 is ByteDance's refined image model for 4K generation, precise editing, and consistent multi-image output. Supports text-to-image with strong detail control, spatial reasoning, and aesthetic cohesion, plus image-to-image editing with up to 10 reference images.

Text to Image

Prompt

4K Visual Output

Seedream 4.5 generates high-fidelity images with refined lighting, balanced shading, and full 4K support. Delivers crisp details, cinematic rendering, and stable clarity across large formats for posters, product shots, and professional creative work.

Detail Fidelity & Aesthetic Cohesion

Seedream 4.5 improves detail fidelity across textures, materials, and lighting, producing visuals with balanced tone and unified style. Aesthetic cohesion remains stable in both simple and complex scenes.

Multi-Image Fusion (Up to 10 References)

With support for up to 10 reference images, Seedream 4.5 offers strong identity stability and scene coherence. Blends poses, styles, and subjects while preserving key traits—ideal for character sheets, product series, and multi-angle brand imagery.

Strong Spatial Reasoning

Seedream 4.5 improves spatial logic, object placement, and depth relationships. Generates scenes with believable proportions and clear structure for architectural layouts, interior concepts, storyboards, and grounded real-world environments.

How to Use Seedream 4.5?

Create stunning 4K AI images in simple steps

Choose Mode & Upload

Select text-to-image for generation or image-to-image for editing. Upload up to 10 reference images for multi-image fusion workflows.

Enter Prompt & Settings

Describe your image with detailed prompts. Choose aspect ratio (8 options) and select quality level (Basic 2K or High 4K).

Generate & Download

Seedream 4.5 generates your image with refined detail and aesthetic cohesion. Preview and download in your chosen quality.

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FAQs about Seedream 4.5

Seedream 4.5 offers improvements in prompt adherence, spatial alignment, detail clarity, small-text rendering, and multi-image consistency. Compared with Seedream 4.0, it produces more stable structure and more reliable 4K output across text-to-image and edit workflows.

Ready to Create with Seedream 4.5?

Generate stunning 4K AI images with detail fidelity, multi-image fusion, and precise editing using Seedream 4.5.