Seedream 4.0 API is ByteDance's unified text-to-image and image editing model. Generate 4K images with industry-leading text rendering, batch processing, and multi-reference support.
Transparent pricing with no hidden fees. Pay only for what you use.
* Actual costs are subject to final output.
GccAi provides fast access to ByteDance Seedream 4.0 API. Generate high-fidelity 4K images with superior text rendering, batch up to 15 outputs, and use 10 reference images for style consistency.
50K+
Active Users
99.9%
Uptime
2x
Faster
70%
Cost Savings
Key capabilities for developers and creators
Industry-leading price of $0.02 per image. No subscription fees, pay only for what you use.
Direct integration with ByteDance official API. Stable service, guaranteed uptime, and official support.
Industry-leading text accuracy in images. Perfect for posters, signs, labels, and marketing materials.
Generate 1-15 images per request. Create variations, A/B test designs, or produce at scale.
Upload up to 10 references for style fusion. Maintain visual consistency across outputs.
Smart grid layouts (2x2, triptych, comics). Preserves whitespace for titles and CTAs.
One model for creation and editing. Remove objects, replace elements with simple prompts.
Common use cases for Seedream 4.0 API
Create posters, ads, and social content with accurate text. Batch generate variants for A/B testing.
Generate product shots, packaging mockups, and hero images. Use references for brand consistency.
Create diagrams, charts, and illustrations. Knowledge-driven generation for accurate visuals.
Transform images into watercolor, cyberpunk, or custom styles using reference images.
Generate comics, storyboards, and grid layouts. Maintain character consistency across panels.
Edit existing images with text prompts. Replace objects, change backgrounds, add elements.
Generate your first image in minutes
Sign up for free GccAi account. No credit card required to start. Top up your account. Pay-per-use pricing at $0.02 per image.
Generate your API key from the dashboard for authentication.
POST to /v1/images/generations with your prompt. Receive task_id and poll for results.
What users say about Seedream 4.0 API on GccAi
“Text rendering finally works. We generate event posters with accurate titles and dates - something that always failed with other models.”
Mike Chen
Marketing Developer
“Batch generation changed our workflow. We generate 15 product variations in one call, pick the best, done. Massive time saver.”
Sarah Kim
E-commerce Tech Lead
“Reference image support is a game-changer for brand consistency. Upload brand assets, get on-brand visuals every time.”
James Liu
Creative Agency CTO
“Fast generation speed transformed our content pipeline. We can now produce high-quality visuals at scale without compromising quality.”
Anna Park
Content Platform Engineer
“$0.02 per image with this quality? We migrated from a $200/month subscription and now spend less while generating more.”
David Wang
Startup Founder
“The unified edit+generate model means one API for everything. Removed 3 other services from our stack.”
Lisa Zhang
Full Stack Developer
Quick answers to common questions
Seedream 4.0 combines generation and editing in one unified architecture. It offers 4K output, superior text rendering, and supports up to 10 reference images - features not found together in competitors.
Image generation is fast and efficient. 2K and 4K images are generated quickly, making it suitable for real-time applications and high-volume workflows.
Use structure: Subject + Style + Details. Be specific, use natural language. For text in images, use double quotes like "Your Text Here". Avoid overloading prompts with too many instructions.
Upload up to 10 reference images via URLs. Seedream 4.0 extracts style, characters, and elements to maintain consistency. Great for brand assets, character series, and style matching.
Through GccAi, Seedream 4.0 API costs $0.02 per generated image. Batch requests (n=1-15) are billed per image produced. No subscription required - pay only for what you use.
Seedream 4.0 supports output resolutions up to 4K (4096x4096 max). You can specify custom width and height in your API request, with multiple aspect ratios available for different use cases like social media posts, banners, and print materials.