Documentation Index
Fetch the complete documentation index at: https://docs.imagine.art/llms.txt
Use this file to discover all available pages before exploring further.
Seedream 4.0 is developed by ByteDance, the parent company of TikTok, as part of their SEED AI research program.
Capabilities
One-shot accuracy
Complex edits — including detailed product or character transformations — completed in one generation, reducing iteration time.
Output consistency
Maintains character identity, product appearance, and lighting across multiple variations and batch generations for large-scale projects.
Multilingual typography
Renders text in multiple languages with improved layout placement, ideal for branding across international markets.
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How to use
- AI Image Generator
- Image Editor
Enter your prompt and references
Write your text prompt and upload up to 4 reference images for detailed guidance.
Prompting tips
- Be specific — Define subject, environment, and style in detail. Example: “A vintage car parked on a sunny street with a dog, shot in a retro photography style.”
- Use multiple references — Upload images of your subject, background, and product together for consistent outputs.
- Guide mood and style — Add descriptors like “cinematic lighting”, “flat lay”, or “ink illustration” to shape composition.
- Use 4K mode for final work — Select 4K mode for print-ready visuals or large-scale campaigns. Use 2K for drafts.
Example prompts
A 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.
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. Looking intensely into the camera with a serious expression, in a candid street photography style with natural emotion.
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. Use 2K mode for draft iterations before committing to 4K for final assets.