Muse Spark 1.1 vs Grok 4.7
| Meta Muse Spark 1.1 | xAI Grok 4.7 | |
|---|---|---|
| Vendor | Meta | xAI |
| Context window | 1,048,576 | 500,000 |
| Max output | — | — |
| Reasoning | Yes | Yes |
| Tool calling | Yes | Yes |
| File input | Yes | Yes |
| Input | text, image, video, file, audio | text, image |
| Output | text | text |
| Released | 2026-07-09 | 2026-09-21 |