Seedream 4

Next-generation text-to-image generation and single-sentence image editing up to 4K resolution in one unified model.

Overview

Seedream 4.0 by ByteDance is an advanced image creation model that unifies text-to-image generation and precise single-sentence image editing. It supports high-resolution image outputs up to 4K and enables versatile workflows including batch processing and multi-reference inputs.

Strengths / What it does well

• Combines image generation and editing in a single architecture, eliminating the need for separate tools.
• Supports detailed natural language prompt editing for precise modifications (e.g., object removal or replacement).
• Produces high-resolution (up to 4096px) images with fast inference.
• Handles multiple input images and generates multiple related outputs in batch mode.
• Applies diverse visual styles such as watercolor and cyberpunk.
• Capable of knowledge-driven content generation like annotated diagrams and timelines with strong reasoning abilities.

Best use cases

• Creative agencies and designers for generating concept art and storyboards from multiple references.
• Illustration and educational content creation requiring accurate labeled diagrams.
• Visual editing and prototyping workflows where quick, text-driven modifications to images accelerate iteration.