grok-4-1-fast-non-reasoning vs Seedance 2.5
| xAI grok-4-1-fast-non-reasoning | ByteDance Seedance 2.5 | |
|---|---|---|
| Vendor | xAI | ByteDance |
| Context window | 2,097,152 | — |
| Max output | 32,768 | — |
| Reasoning | No | No |
| Tool calling | Yes | No |
| File input | Yes | Yes |
| Input | text, image | text, image, video, audio |
| Output | text | video |
| Released | 2025-11-19 | 2026-07-31 |