Muse Spark 1.2 Contributor vs Seedance 2.0 Fast
| Meta Muse Spark 1.2 Contributor | ByteDance Seedance 2.0 Fast | |
|---|---|---|
| Vendor | Meta | ByteDance |
| Context window | 1,048,576 | — |
| Max output | — | — |
| Reasoning | Yes | No |
| Tool calling | Yes | No |
| File input | Yes | Yes |
| Input | text, image, video, file, audio | text, image, video, audio |
| Output | text | video |
| Released | — | 2026-02-12 |