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| 3 models | bytedance-seedByteDance Seed: Seedream 5.0 ProRemove × | bytedance-seedByteDance Seed: Seedream 4.5Remove × | Briaremove_background_guidedRemove × |
|---|---|---|---|
| What’s different | Choose standard or fast prompt enhancement; accepts extreme aspect ratios up to 16:1 within a 2K-square pixel budget. | 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… | Prompt-guided background removal by Bria: tell it what to keep or what to remove and get a clean cutout with true transparency, at the original resolution with the original pixels untouched. Trained… |
| Date | Jul 8, 2026Released | Dec 5, 2025Released | Oct 14, 2026Listed |
API prices USD · provider configuration shown below | |||
| Listed rate | $0.0675/ imagefal · all routes ↗Area ≤ 1536x1536 pixels | $0.04/ imagefal · all routes ↗ | See provider quotes |
| Provider endpoints | 2 endpoints → | 2 endpoints → | 0 endpoints → |
Benchmarks Each result retains its evaluation configuration | |||
| AA Image ↗2.1 | 1,100.01 ↗Text-to-image · all categoriesIndependent result95% CI 1,089.01–1,111.01 · n=11,391 | 1,026.35 ↗Text-to-image · all categoriesIndependent result95% CI 1,014.35–1,038.35 · n=6,135 | Not reported |
Specifications | |||
| Context window | — | 4.1K | — |
| Max output | — | 3.7K | — |
| Parameters | — | — | — |
| Image input | Supported | Supported | Not reported |