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| 3 models | bytedance-seedByteDance Seed: Seedream 4.5Remove × | ByteDanceSeed-2.0-codeRemove × | respanRespan: Span-02Remove × |
|---|---|---|---|
| What’s different | 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… | A coding model optimized for real-world development environments, with reliable tool use in common IDEs such as Claude Code. It delivers strong front-end performance and supports Skills. | Set a thinking deadline in milliseconds; returns typed decisions or direct numbers with confidence, and accepts up to four images. |
| Date | Dec 5, 2025Released | Apr 29, 2026Listed | Oct 16, 2026Listed |
API prices USD · provider configuration shown below | |||
| Listed rate | $0.04/ imagefal · all routes ↗ | $0.50 in / $3.00 out/ 1M tokensDeepInfra · all routes ↗ | $0.01 in / $0.00 out/ 1M tokensOpenRouter · all routes ↗ |
| Provider endpoints | 2 endpoints → | 1 endpoint → | 1 endpoint → |
Benchmarks Each result retains its evaluation configuration | |||
| AA Image ↗2.1 | 1,026.35 ↗Text-to-image · all categoriesIndependent result95% CI 1,014.35–1,038.35 · n=6,135 | Not reported | Not reported |
Specifications | |||
| Context window | 4.1K | 256K | 131.1K |
| Max output | 3.7K | — | 118K |
| Parameters | — | — | — |
| Image input | Supported | Not reported | Supported |