Seedream 4 by ByteDance unifies image generation and editing in a single architecture. Generate stunning 4K images in just 1.8 seconds with multi-image composition, natural language editing, and knowledge-driven content creation.
Seedream 4.0 is ByteDance's next-generation image creation model built on a Diffusion Transformer (DiT) architecture with high-compression VAE. It uniquely integrates image generation and image editing into a single unified architecture — handling text-to-image synthesis, object removal, style transfer, and multi-image composition within one model. With 10x faster inference than its predecessor, Seedream 4 produces native 4K (4096px) images in approximately 1.8 seconds.
First in its class to support native 4K (4096px) output. Generate ultra-sharp images with stunning detail at 1K, 2K, or 4K resolution.
Generate 2K images in just 1.8 seconds — 10x faster than Seedream 3.0 and significantly faster than Midjourney, DALL-E, or Flux at comparable resolution.
One model handles both creation and editing. Remove objects, swap backgrounds, change outfits, and transfer styles — all with natural language prompts.
Accept up to 10 reference images and blend elements into new compositions. Generate batch images with guaranteed cross-image consistency.
Generate complex educational content — charts, timelines, diagrams, mathematical formulas, and annotated scenes with strong reasoning capabilities.
Understands grid layouts, typography placement, and whitespace planning. Create multi-panel posters, triptychs, and marketing materials with proper composition.
Single pricing tier for this model.
Describe the image you want. Seedream 4 understands complex descriptions including style, mood, lighting, and composition with up to 4096 characters.
Select from 7 aspect ratios (1:1, 4:3, 3:4, 16:9, 9:16, 3:2, 2:3) to match your content needs — from square social posts to widescreen banners.
Get your AI-generated image in under 2 seconds at 2K resolution. Download in high-quality format ready for immediate use.
5 credits per image generation. Ultra-fast 4K quality at a competitive price of ~$0.03 per image.
High quality text-to-image generation with Seedream 5 Lite by ByteDance
Advanced AI image generation with enhanced text rendering by ByteDance
Next-gen AI image generation with multi-image support
Photorealistic text-to-image generation
Generate stunning 4K AI images in 1.8 seconds with ByteDance's unified generation and editing model. Just 5 credits per image.
Start Creating with Seedream 4Common questions about Seedream 4 by ByteDance
Seedream 4.0 is ByteDance's next-generation AI image model that unifies image generation and editing in a single Diffusion Transformer architecture. It produces native 4K images in 1.8 seconds with multi-image composition, natural language editing, and knowledge-driven content creation.
Seedream 4 generates 2K (2048px) images in approximately 1.8 seconds — 10x faster than its predecessor and significantly faster than competing models like Midjourney or DALL-E at comparable resolution.
Seedream 4 supports resolutions from 1K (1024px) to native 4K (4096px). It was the first AI image model in its class to offer native 4K output, ideal for print materials and large-format displays.
Yes, Seedream 4 has built-in editing capabilities. Remove objects, swap backgrounds, change outfits, colorize photos, transfer styles, and more — all using natural language prompts within the same unified model.
Seedream 4 offers the fastest generation speed (1.8s for 2K), native 4K output, and unified generation+editing in one model. It's more cost-effective at ~$0.03/image than most competitors while offering unique features like multi-image composition and layout-aware poster design.
Yes, images generated with Seedream 4 can be used for commercial projects according to our terms of service. It's ideal for marketing campaigns, e-commerce product photos, educational content, and professional design work.
Can't find what you're looking for? Contact our support team