



const main = async () => {
const response = await fetch('https://api.ai.cc/v1/images/generations', {
method: 'POST',
headers: {
Authorization: 'Bearer ',
'Content-Type': 'application/json',
},
body: JSON.stringify({
model: 'bytedance/seedream-3.0',
prompt: 'A jellyfish in the ocean',
}),
}).then((res) => res.json());
console.log('Generation:', response);
};
main();
import requests
def main():
response = requests.post(
"https://api.ai.cc/v1/images/generations",
headers={
"Authorization": "Bearer ",
"Content-Type": "application/json",
},
json={
"model": "bytedance/seedream-3.0",
"prompt": "A jellyfish in the ocean",
},
)
response.raise_for_status()
data = response.json()
print("Generation:", data)
if __name__ == "__main__":
main()

Product Detail
Discover Seedream 3.0, ByteDance's groundbreaking bilingual text-to-image diffusion model. Engineered for excellence, it delivers high-resolution image synthesis up to 2048×2048 pixels. Leveraging a unique reward-guided training pipeline and sophisticated layout-aware optimizations, Seedream 3.0 generates images that are not only fast, photorealistic, and text-accurate but also perfectly suited for demanding creative, commercial, and UI-driven applications.
Technical Overview: Performance & Architecture
Seedream 3.0 sets new benchmarks in high-fidelity image generation and multilingual text rendering.
- ⭐ Output Capacity: Native 2K resolution, up to 2048×2048 px.
- ⚡ Generation Speed: Approximately 3 seconds for 1024×1024 px.
- ✅ Typography Fidelity: Achieves state-of-the-art rendering quality for text within images.
- 🏆 ELO Benchmark: Ranked #2 on Artificial Analysis Image Arena, tying after GPT-4o (~1148 ELO).
- 🛠️ Advanced Architecture: Built on a robust diffusion-based model incorporating:
- Defect-aware sampling
- Cross-modality RoPE
- VLM-based reward modeling
- Mixed-resolution training
- Representation alignment loss
- Importance-aware timestep sampling
- 💲 API Pricing: Competitively priced at $0.0315.

Key Performance Metrics
Seedream 3.0 excels in visual accuracy and layout reliability across diverse prompts:
- 🎯 Prompt Alignment: Delivers high consistency between textual input and visual output.
- 📐 Layout Control: Ensures stable composition for multi-object scenes and annotated visuals.
- 🚀 Speed Enhancement: Achieves 4×–8× faster generation than Seedream 2.0, thanks to improved timestep sampling.
- ✍️ Superior Text Rendering: Outperforms competitors like Midjourney v6.1, Ideogram 3.0, and FLUX.1 in multilingual typography fidelity.

Core Capabilities of Seedream 3.0
Experience professional-quality outputs with Seedream 3.0's bilingual understanding and visual fidelity:
- 🖼️ High-Resolution Output: Generates natively at 2048×2048 without the need for upscaling.
- 👤 Realistic Portraiture: Creates emotionally expressive characters with nuanced lighting.
- 💡 Text-Image Alignment: Features deep semantic understanding for precise visual grounding of prompts.
- 📝 Typography Engine: Robust support for small and dense multilingual text (English, Chinese).
- ⏱️ Speed Optimization: A fast generation pipeline ideal for real-time applications.
- 🎨 Creative Layouts: Ensures accurate spatial and object placement even in complex scenes.
Optimal Use Cases for Seedream 3.0
Seedream 3.0 is ideal for a wide range of applications requiring high-quality, text-accurate visuals:
- 📢 Marketing Content: Create stunning posters, covers, and advertisements with seamlessly integrated text elements.
- 🎭 Portrait Illustration: Generate realistic character designs for games, media, and artistic projects.
- 📚 Educational Visuals: Produce clear bilingual infographics and precisely labeled diagrams.
- 📱 Social Media: Design custom, high-resolution image assets for impactful online posts.
- 🖥️ UI Mockups: Develop structured visual compositions with robust annotation support for user interface designs.
Code Samples
Seedream 3.0 vs. Other Leading Models
- 🆚 Vs. Midjourney v6.1: While offering comparable artistic output, Seedream 3.0 distinguishes itself with faster generation and superior multilingual typography.
- 🆚 Vs. Ideogram 3.0: Seedream 3.0 provides an advantage with its outperforming layout precision and high-density text rendering capabilities.
- 🆚 Vs. Seedream 2.0: This new iteration boasts 4–8× faster output, native 2K resolution, and significantly stronger semantic grounding.
- 🆚 Vs. GPT-4o (Vision): GPT-4o offers broad multimodal capabilities, but Seedream 3.0 excels in dedicated visual output quality at high resolution.
Current Limitations
- 🚫 No image editing tools currently integrated.
- 🚫 Lacks multimodal input capabilities.
- ⚠️ Text rendering may experience degradation with extreme prompt lengths or image clutter.
- 🚫 No vision-to-text capabilities (e.g., image captioning, object detection).
API Integration
Seedream 3.0 is readily accessible via the AI/ML API. For comprehensive documentation and integration guides, please refer to the official documentation here.
Frequently Asked Questions (FAQ)
Q1: What is the maximum resolution Seedream 3.0 can generate?
A1: Seedream 3.0 can natively generate images up to 2048×2048 pixels, delivering true 2K resolution without upscaling.
Q2: How fast is Seedream 3.0 compared to previous versions?
A2: Seedream 3.0 is significantly faster, generating images 4–8 times faster than Seedream 2.0, with a 1024x1024 image typically generated in around 3 seconds.
Q3: Does Seedream 3.0 support multilingual text in images?
A3: Yes, Seedream 3.0 features a robust typography engine that supports small and dense multilingual text, including English and Chinese, with state-of-the-art fidelity.
Q4: What are the primary advantages of Seedream 3.0 over competitors like Midjourney v6.1?
A4: While artistic output is comparable, Seedream 3.0 offers faster generation speeds and superior multilingual typography fidelity compared to Midjourney v6.1, and better layout precision than Ideogram 3.0.
Q5: Can Seedream 3.0 be used for UI design mockups?
A5: Absolutely. Its strong layout control and annotation support make it an excellent tool for creating structured visual compositions and UI mockups.
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