Seedream 4.0 is developed by ByteDance, the parent company of TikTok, as part of their SEED AI research program.
What Seedream 4.0 does well
Multi-image editing (up to 6)
Supports up to 6 reference images — more than any other model on ImagineArt. This enables richer compositions that combine multiple products, characters, and backgrounds in a single generation.
Native 2K and 4K resolution
Generates images at 2K and 4K natively, making it the right choice for print, large-scale campaigns, and high-end commercial work where visual fidelity is critical.
One-shot accuracy
Complex edits — including detailed product or character transformations — can be completed in one generation, streamlining workflows and reducing iteration time.
Output consistency
Maintains character identity, product appearance, and lighting across multiple variations and batch generations, ensuring coherent results for large-scale projects.
Multilingual typography
Supports multilingual text rendering with improved layout placement — useful for creating posters, ads, and branding visuals for international markets.
Near real-time 4K generation
Seedream 4.0 generates 4K images at near real-time speeds — so you get high-resolution results fast without sacrificing quality.
Strengths and limitations
| Strengths | Limitations |
|---|---|
| Up to 6 multi-image references | No native video generation |
| Native 2K and 4K resolution | Stylized or abstract prompts may need fine-tuning |
| One-shot accuracy for complex edits | 4K output consumes more credits |
| Strong consistency across outputs | Preview release — features may evolve |
| Multilingual, layout-aware typography | — |
| Faster, near real-time generation | — |
When to use Seedream 4.0
- Commercial design and advertising — Sharp, high-resolution visuals for posters, branding, product packaging, and promotional materials.
- Product mockups and e-commerce — Lifelike product visuals, background replacements, and styling variations with consistent lighting.
- Storyboarding and concept art — Cinematic frames for narrative planning or visual storytelling, leveraging multiple image references.
- Portraits and character graphics — Emotionally nuanced portraits and character imagery with intelligent expression and detail control.
- Marketing campaigns and batch visuals — Cohesive image sets for social posts or ad series with consistent style across all outputs.
How to use Seedream 4.0
- AI Image Generator
- Image Editor
Enter your prompt and references
Write your text prompt and upload up to 6 reference images for more detailed guidance.
Prompting tips
- Be specific — Define the subject, environment, and style in detail. Example: “A vintage car parked on a sunny street with a dog standing next to it, shot in a retro photography style.”
- Use multiple references — Upload images of your subject, background, and product together to ensure consistent results across outputs.
- Guide mood and style — Add descriptors like “cinematic lighting”, “flat lay”, or “ink illustration” to influence composition.
- Use 4K mode for high-end work — For print-ready visuals or large-scale campaigns, select 4K mode to get the full benefit of the model’s resolution capabilities.
Example prompts
Example 1A red “Glaze Cherry” cosmetic bottle placed on top of two shiny fresh cherries, with a pink and white gradient background. Bold red text saying “New” is displayed on the bottle. The scene should reflect beauty product photography, glossy surfaces, and ultra-realistic lighting.Example 2
A close-up portrait of a teenage boy with curly dark hair and freckles, wearing a navy tracksuit jacket, standing in front of a yellow wall. The boy is looking intensely into the camera with a serious expression, in a candid street photography style with natural emotion.Example 3
A Black person leans on a city overpass railing, gazing seriously at the camera. They wear a sharp white shirt with a tie and a skirt. The urban setting below features a road with passing cars, contrasting the subject’s poised and editorial stance.
Seedream 4.0 vs. Nano Banana
| Feature | Seedream 4.0 | Nano Banana (Gemini 2.5 Flash Image) |
|---|---|---|
| Developer | ByteDance | Google DeepMind |
| Multi-image references | Up to 6 | Up to 4 |
| Resolution | 2K and 4K | Up to 2K |
| Speed | Near real-time | Near real-time |
| One-shot accuracy | Yes | Yes |
| Typography | Strong, multilingual | Strong (English and Chinese) |
| Best for | Complex campaigns, branding, multilingual markets | Quick edits, fashion try-ons, product swaps |
Generating 4K images with Seedream 4.0 uses more credits than standard resolution outputs. Use 2K mode for draft iterations before committing to 4K for final assets.