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By ByteDance · December 2025

Seedream 4.5

ByteDance's image model for Chinese-language prompts and reference-guided edits on CVY.AI.

Vendor
ByteDance
Released
Dec 2025
Max resolution
4K output
Prompt language
Chinese or English
01 / Overview

What is Seedream 4.5?

Seedream 4.5 is a ByteDance image model available for text-to-image and image-to-image work on CVY.AI. You can write prompts in Chinese or English.

For reference-guided edits, the CVY.AI generator accepts up to four images. Use clear instructions about which details to preserve, and compare the result with your inputs.

Both supported output options, 2K and 4K, cost 6 credits per generation. Choose the model by reviewing actual results for your task.

02 / Capabilities

What Seedream 4.5 is good at

  • ▸

    Chinese-language prompts

    Write a prompt directly in Chinese. Compare results with other available models when language-specific details matter.

  • ▸

    Up to four reference images on CVY.AI

    Upload up to four reference images when editing. The model can use them as visual guidance, but characters, products and layout still need checking.

  • ▸

    Accurate in-image text rendering

    Try captions, signs and short headlines. Review all generated text before using the image in marketing or publishing.

  • ▸

    4K output option

    Choose 2K or 4K output on CVY.AI. Both supported resolutions cost 6 credits per image.

  • ▸

    Same price for T2I and I2I

    Both text-to-image and image-to-image cost 6 credits at either supported resolution, 2K or 4K.

03 / When to use

When to reach for Seedream 4.5

Use it for
  • +Trying Chinese-language prompts directly.
  • +Reference-guided edits using up to four images on CVY.AI.
  • +Cinematic, editorial, social-media aesthetics — the model leans this way by default.
  • +Image-to-image work where the cost premium other models charge would add up.
Skip it for
  • −Requests requiring 1K output — this model starts at 2K on CVY.AI.
  • −Edits requiring more than four reference images in one request.
  • −Text-heavy work that cannot be checked and corrected after generation.
04 / Pricing

How much does Seedream 4.5 cost?

ResolutionCredits
2K6
4K6

Credits per image depend on the model and resolution shown above. See pricing for available credit options.

05 / Sample output
Seedream 4.5 sample
06 / FAQ

我用中文 prompt 可以吗?

+

可以直接输入中文提示词。实际效果会随提示词和参考图变化。

How does Seedream 4.5 compare to earlier or later versions?

+

CVY.AI currently offers Seedream 4.5. Model availability and credit costs are shown in the generator; compare the result with the other models offered here.

Does it work for image-to-image edits?

+

Yes. Text-to-image and image-to-image both cost 6 credits at the supported 2K or 4K settings. CVY.AI accepts up to four reference images in one edit.

07 / Related models

Compare other AI image models

Use these pages to pick between speed, output quality, text rendering, and prompt-language fit.

View all models →
08 / Get started

Ready to try Seedream 4.5?

Open the generator with Seedream 4.5 preselected, or browse community work for inspiration.