Doubao-Seedream-4.5 vs Claude Opus 4.1
| ByteDance Doubao-Seedream-4.5 | Anthropic Claude Claude Opus 4.1 | |
|---|---|---|
| Vendor | ByteDance | Anthropic Claude |
| Context window | — | 200,000 |
| Max output | — | 32,000 |
| Reasoning | No | Yes |
| Tool calling | No | Yes |
| File input | Yes | Yes |
| Input | text, image | text, image |
| Output | image | text |
| Released | 2025-12-02 | 2025-08-05 |