DeepSeek-V4-Flash 0731 vs Doubao-Seedream-4.5
| DeepSeek DeepSeek-V4-Flash 0731 | ByteDance Doubao-Seedream-4.5 | |
|---|---|---|
| Vendor | DeepSeek | ByteDance |
| Context window | 1,000,000 | — |
| Max output | 384,000 | — |
| Reasoning | Yes | No |
| Tool calling | Yes | No |
| File input | Yes | Yes |
| Input | text | text, image |
| Output | text | image |
| Released | 2026-07-31 | 2025-09-26 |