About Seedream 4.5
Seedream 4.5 is the latest in-house image generation model developed by ByteDance. Compared with Seedream 4.0, it delivers comprehensive improvements, especially in editing consistency, including better preservation of subject details, lighting, and color tone. It also enhances portrait refinement and small-text rendering. The model’s multi-image composition capabilities have been significantly strengthened, and both reasoning performance and visual aesthetics continue to advance, enabling more accurate and artistically expressive image generation.
Pricing is $0.04 per output image, regardless of size.
Specifications
- Provider
- bytedance-seed
- Context Length
- 4,096 tokens
- Input Types
- image, text
- Output Types
- image
- Category
- Other
- Added
- 12/23/2025
Benchmark Performance
How Seedream 4.5 compares to its closest rivals across industry benchmarks
Human preference rankings for image generation models based on blind comparisons
Metric: Elo Score
#8
hunyuan-image-3.0
1,152
#9
flux-2-dev
1,149
#14
Qwen Icon
1,121
Frequently Asked Questions
Common questions about Seedream 4.5