Describe what you want to generate

Seedream 4.5 – ByteDance's 4K Generation & Editing Powerhouse
ByteDance's latest image model delivers high-fidelity 4K generation with exceptional reference-image consistency, advanced typography rendering, and precise multi-image editing that preserves subject details across all inputs.
See Seedream 4.5 in Action
Real examples of 4K quality, reference-image consistency, and professional typography.




High-Fidelity 4K Generation
Generate stunning 4K images with exceptional detail, clarity, and photorealistic quality. Seedream 4.5's advanced architecture delivers professional-grade outputs suitable for print, marketing, and high-resolution displays.
4K Ultra-HD Quality
Output up to 4K resolution with exceptional clarity and photorealistic detail for professional deliverables.
Professional Color Accuracy
Advanced color processing ensures accurate reproduction of tones, lighting, and brand colors.
Print-Ready Output
Generate images with sufficient resolution and quality for print media, posters, and large-format displays.

Strong Reference-Image Consistency

Upload reference images to preserve facial features, lighting conditions, and color palettes across all generations. Seedream 4.5 maintains exceptional consistency, making it perfect for brand identity, character design, and product photography.
Facial Feature Preservation
Maintain identical facial features, expressions, and character details across multiple generations.
Lighting & Color Lock
Preserve lighting conditions, color grading, and atmospheric qualities from reference images.
Brand Identity Consistency
Ensure visual consistency across marketing materials, product shots, and branded content.
Advanced Typography & Multi-Image Editing
Industry-leading text rendering for posters, logos, and branded graphics with dense-text support. Precise multi-image editing capabilities keep subject details intact across multiple inputs, enabling professional design workflows.
Dense-Text Rendering
Accurate typography and text-in-image generation for posters, packaging, and marketing materials.
Logo Placement
Reliable logo rendering and brand element placement for professional branded content.
Multi-Image Editing
Edit multiple images while preserving subject details, consistency, and visual coherence.

Seedream 4.5 Core Features
Advanced capabilities that define ByteDance's professional image generation model.
4K High-Fidelity Output
Generate stunning 4K images with exceptional detail, clarity, and photorealistic quality for professional work.
Reference-Image Consistency
Strong preservation of facial features, lighting conditions, and color palettes from uploaded reference images.
Advanced Typography
Industry-leading text rendering for posters, logos, and branded graphics with dense-text support.
Multi-Image Editing
Precise editing across multiple images while preserving subject details and visual consistency.
Professional Color Accuracy
Advanced color processing for accurate tone reproduction, brand colors, and lighting conditions.
Flexible Resolutions
Choose between Basic (2K) for speed or High (4K) for maximum quality across multiple aspect ratios.
How Seedream 4.5 Works
Four simple steps to professional 4K images with perfect consistency:
Describe Your Vision
Write detailed prompts describing your desired image. Upload reference images to guide facial features, lighting, colors, and style.
Configure Quality Settings
Choose between Basic (2K) or High (4K) resolution. Select aspect ratio and adjust generation parameters for optimal results.
Generate or Edit
Create new 4K images or edit existing ones with multi-image support. Seedream 4.5 preserves details and consistency across all inputs.
Download & Use
Download high-fidelity 4K images ready for professional use in marketing, print, branding, and digital media.
Seedream 4.5 FAQ
Common questions about ByteDance's professional 4K image generation model.
What is Seedream 4.5?
Seedream 4.5 is ByteDance's latest image generation model delivering high-fidelity 4K output with strong reference-image consistency, advanced typography rendering, and precise multi-image editing capabilities.
What resolutions are supported?
Seedream 4.5 offers Basic (2K) resolution for faster generation and High (4K) resolution for maximum quality. Multiple aspect ratios are supported including 1:1, 4:3, 3:4, 16:9, 9:16, 2:3, 3:2, and 21:9.
How does reference-image consistency work?
Upload reference images and Seedream 4.5 preserves facial features, lighting conditions, color palettes, and stylistic elements across all generations—perfect for maintaining brand identity and character consistency.
What makes the typography advanced?
Seedream 4.5 features industry-leading text rendering that accurately reproduces typography, logos, and dense text for posters, packaging, and branded graphics without artifacts or distortion.
What is multi-image editing?
Edit multiple images simultaneously while preserving subject details, consistency, and visual coherence—ideal for batch processing, brand asset creation, and professional design workflows.
How many images can I generate?
Generate up to 10 images per request with Seedream 4.5 Edit mode, allowing for creative exploration and batch production of consistent visuals.
What's the maximum prompt length?
Seedream 4.5 supports prompts up to 3000 characters, allowing for detailed, nuanced descriptions of your desired image.
Can I use images commercially?
Yes. All generated images are yours to use commercially in marketing campaigns, products, websites, social media, and client projects without royalty fees.
Create Professional 4K Images with Seedream 4.5
Join professionals using Seedream 4.5 for high-fidelity 4K generation, reference-image consistency, and advanced typography in their creative workflows.
