Seedream 4.0 is a Multimodal LLM designed for unified image generation and advanced image editing via natural language prompts.

It excels in high-speed, high-resolution image synthesis and editing, supporting tasks such as photorealistic image generation, precise object addition/removal, and consistent multi-image output. The model offers robust handling of both Chinese and English prompts, maintains character and style consistency across sets, and enables batch processing for efficient workflows.

Some other noteworthy features of Seedream 4.0 include the ability to generate up to 9–10 matching images in a single batch, seamless style transfer, and detailed transformations—making it valuable for storyboarding, product design, and creative content production.

Metric	Value
Parameter Count	Unknown
Mixture of Experts	Unknown
Context Length	Unknown
Multilingual	Yes
Quantized*	Unknown

*Quantization is specific to the inference provider and the model may be offered with different quantization levels by other providers.