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.

Seedream 4.5 – ByteDance's 4K Generation & Editing Powerhouse

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