Doubao-Seedream-4.5 vs DeepSeek V4.1 Flash
| ByteDance Doubao-Seedream-4.5 | DeepSeek DeepSeek V4.1 Flash | |
|---|---|---|
| Vendor | ByteDance | DeepSeek |
| Context window | — | 1,040,000 |
| Max output | — | 384,000 |
| Reasoning | No | Yes |
| Tool calling | No | Yes |
| File input | Yes | Yes |
| Input | text, image | text |
| Output | image | text |
| Released | 2025-12-02 | 2026-09-09 |