What is Seedream 4.5?

Seedream 4.5 is ByteDance's latest image generation model featuring high-fidelity 4K output, strong reference-image consistency, advanced typography rendering, and multi-image editing capabilities. It's available on Nano Banana 2 for professional creative work.

What resolution does Seedream 4.5 support?

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 analyzes them to preserve facial features, lighting conditions, color palettes, and stylistic elements across all your generations—perfect for character design and brand identity.

Can Seedream 4.5 generate text in images?

Yes, Seedream 4.5 features industry-leading typography rendering. It accurately reproduces text, logos, and dense content for posters, packaging, and branded graphics without distortion.

What is multi-image editing?

Seedream 4.5's multi-image editing allows you to edit multiple images simultaneously while preserving subject details and visual coherence—ideal for batch processing and creating consistent visual series.

How many images can I generate per request?

Generate up to 10 images per request with Seedream 4.5 Edit mode, enabling 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 Seedream 4.5 images commercially?

Yes, images generated with Seedream 4.5 on Nano Banana 2 include full commercial rights. Use them for marketing, products, websites, social media, and client projects.

Seedream 4.5 AI Image Generator – 4K Quality & Multi-Image Control

Nano Banana 2