Kimi K3 vs Doubao-Seedream-4.5
| Moonshot Kimi K3 | ByteDance Doubao-Seedream-4.5 | |
|---|---|---|
| Vendor | Moonshot | ByteDance |
| Context window | 1,048,576 | — |
| Max output | 16,384 | — |
| Reasoning | Yes | No |
| Tool calling | Yes | No |
| File input | Yes | Yes |
| Input | text, video, file, image | text, image |
| Output | text | image |
| Released | 2026-07-15 | 2025-12-02 |