Release date
September 2025.
Model page
Seedream 4.0
Launched in September 2025. A solid baseline for image generation in the Seedream lineup.
Seedream 4.0
Recommended when
You want a stable, proven model and don’t need the newer 4.5/5.0 features.
This page summarizes release context as of 2026.
At a glance
Key facts and where Seedream 4.0 fits today.
Strengths
Solid quality and reliability as a baseline model.
When to upgrade
Move to 4.5 for better text rendering and commercial illustration, or 5.0 Lite for smarter, faster workflows.
Model lineup
Older → current → newer.