Seedream 2.0 - A native bilingual (Chinese-English) image generation model developed by ByteDance's Doubao team.

## Definition of Seedream 2.0 **Seedream 2.0** is a native bilingual (Chinese-English) image generation model developed by ByteDance's Doubao team. It excels in text rendering and cultural understanding, generating high-fidelity images with accurate cultural details and aesthetic expressions. Launched in December 2024, it serves over 100 million users through the Doubao APP and Jiemeng platform. ## Core Features of Seedream 2.0 **Key features include:** - **Bilingual understanding**: Supports high-precision interpretation of Chinese and English prompts, generating culturally nuanced images. - **Text rendering**: Uses Glyph-Aligned ByT5 for flexible character-level text rendering, reducing text distortion and improving aesthetics, especially for traditional Chinese styles. - **Multi-resolution generation**: Employs a scaled DiT architecture to generalize untrained resolutions and support varied aspect ratios. - **RLHF optimization**: Enhances image-text alignment, aesthetics, structural correctness, and text rendering through self-developed reward models. ## Applications of Seedream 2.0 **Seedream 2.0 is used for:** - **Poster design**: Complex text rendering and artistic styles for commercial/creative projects. - **Social media images**: Attractive visuals for posts across themes and styles. - **Video content**: Cover art and keyframe generation. - **Art creation**: Oil paintings, watercolors, sketches, etc. - **Educational aids**: Visuals for teaching materials. - **Game development**: Scene and background generation. ## Accessing Seedream 2.0 **Access methods:** 1. **Platforms**: Via the Doubao APP ([link](https://ai-bot.cn/seedream-2-0/)) or Jiemeng platform. 2. **Steps**: - Register/login to Doubao. - Input detailed bilingual prompts. - Select modes (e.g., standard/HD) and adjust parameters (resolution, style). - Generate and download images. 3. **API**: Developers can integrate the model using API keys from Doubao/Jiemeng's documentation. ## Core Features of Seedream 2.0 **Innovations include:** - **Data construction**: Four-dimensional topology (quality, distribution, knowledge, enhancement) with smart annotation. - **Pretraining**: Self-developed LLM for bilingual alignment and upgraded SD3 MMDiT architecture. - **RLHF**: Four-stage optimization with three reward models. - **Evaluation**: Bench-240 benchmark tests for image-text matching, structure accuracy, and aesthetics, outperforming competitors in bilingual tasks. ## Performance Metrics of Seedream 2.0 **Metrics:** - **Text usability rate**: 78% for Chinese prompts. - **Perfect response rate**: 63% for Chinese prompts. - **Superior structure/text understanding** in English prompts compared to mainstream models. - Serves over 100 million users as of 2024. ## Target Users of Seedream 2.0 **User groups:** - **Professional designers**: For creative and commercial projects. - **General users**: Social media content, educational visuals. - **Developers**: API integration for custom applications. ### Citation sources: - [Seedream 2.0](https://ai-bot.cn/seedream-2-0) - Official URL Updated: 2025-04-01