Claude Sonnet 5.5 vs Muse Spark 1.1
| Anthropic Claude Claude Sonnet 5.5 | Meta Muse Spark 1.1 | |
|---|---|---|
| Vendor | Anthropic Claude | Meta |
| Context window | 1,000,000 | 1,048,576 |
| Max output | 128,000 | — |
| Reasoning | Yes | Yes |
| Tool calling | Yes | Yes |
| File input | Yes | Yes |
| Input | text, image, file | text, image, video, file, audio |
| Output | text | text |
| Released | 2026-09-28 | 2026-07-09 |