Seedream 4.5
The updated Seedream 4 with improved image fidelity. Seedream 4.5 delivers better visual accuracy, enhanced detail rendering, and more precise prompt interpretation — built on Seedream 4's multilingual foundation with meaningful quality improvements.
What is Seedream 4.5?
Seedream 4.5 is ByteDance's updated image generation model, built on Seedream 4's foundation with improvements to visual fidelity, prompt accuracy, and detail rendering. The 4.5 update represents a meaningful quality step over Seedream 4 while retaining the multilingual capabilities and broad style range that define the model family.
Visual fidelity improvements in Seedream 4.5 are most noticeable in complex scenes, human subjects, and fine texture rendering. Images show greater detail consistency, more accurate color representation, and more faithful rendering of the stylistic and compositional elements described in prompts. For teams already working with Seedream 4, the upgrade path to 4.5 is straightforward — the same prompts produce better results without requiring prompt reformulation.
Seedream 4.5 is the recommended model for teams that have been using Seedream 4 and want improved quality without changing their workflow. It's also the better starting point for new workflows that benefit from ByteDance's multilingual foundation.
Improved fidelity
Better than Seedream 4
Multilingual
Strong non-English support
Enhanced detail
More accurate rendering
Better accuracy
Prompt to image precision
How to generate images with Seedream 4.5 on project.video
Open the composer
Go to your project.video dashboard. Seedream 4.5 is available under ByteDance models in the image generation section.
Select Seedream 4.5
Choose Seedream 4.5 for updated Seedream quality. Recommended over Seedream 4 for the same workflows — better quality, same capabilities.
Write your prompt
Use the same prompt style as Seedream 4 — or write in your preferred language. Seedream 4.5 handles the same multilingual input with better overall output accuracy.
Generate and compare
Generate your image. If you were using Seedream 4, compare outputs — you should see noticeable improvement in detail and fidelity on the same prompts.
Technical specs
Best use cases
Global market content production
Generate quality images with prompts written in the creative team's native language. Seedream 4.5's multilingual capability reduces the friction of working across languages for international content teams.
High-quality portrait and human subject imagery
Seedream 4.5's improved fidelity is especially visible in human subject generation — more detailed faces, more natural expressions, and better representation of diverse demographics.
Detailed product and object photography
Generate product images with improved texture and material accuracy. Seedream 4.5's detail rendering improvements benefit product photography contexts where material quality and realistic surface detail matter.
Art and illustration content
The broad style range and improved accuracy make Seedream 4.5 effective for artistic and illustrative content with precise stylistic requirements — from manga-influenced styles to painterly realism.