What Seedream 4.5 does
Seedream 4.5 by ByteDance generates 2K resolution images in under 1.8 seconds and scales to 4K. It accepts up to 14 reference images as input and can output up to 6 images per generation for batch workflows. Built for precise instruction-based editing, strong feature preservation, and knowledge-based generation — it understands abstract concepts and converts them into accurate visuals.
- Ultra-Fast 2K Generation
- Generates 2K resolution images in under 1.8 seconds — up to 4K for print-quality output.
- Multi-Image Input & Output
- Accepts up to 14 reference images as input. Generates up to 6 images per request for batch workflows — all consistent with each other.
- Precise Instruction Editing
- Natural language editing that preserves identity — change style, lighting, background without the over-processed AI look.
- Knowledge-Based Generation
- Understands abstract concepts, complex reasoning, and converts deep intent into visually accurate results — not just literal prompt matching.
How to use it
Write Your Prompt
Describe the image or edit you want. Use abstract or detailed language — Seedream 4.5 understands nuance.
Add Reference Images
Optionally upload up to 14 reference images to guide style, character, or composition.
Generate & Download
Get up to 6 consistent images in seconds at 1K, 2K, or 4K resolution.
Questions
Seedream 4.5 is ByteDance's fast, high-resolution image model. It generates 2K images in under 1.8 seconds, scales to 4K, and supports up to 14 input references and up to 6 output images per generation.
Extremely fast — 2K resolution in under 1.8 seconds. Even 4K generation is significantly faster than most comparable models.
Yes! Seedream 4.5 accepts up to 14 input reference images for style, character, or composition guidance. It preserves identity and features without the over-processed AI appearance.
Up to 6 images per generation, all consistent with each other — great for batch workflows and brand asset creation.