Muse Spark 1.3 vs gpt-4-gizmo-*
| Meta Muse Spark 1.3 | OpenAI gpt-4-gizmo-* | |
|---|---|---|
| Vendor | Meta | OpenAI |
| Context window | 1,048,576 | — |
| Max output | — | — |
| Reasoning | Yes | No |
| Tool calling | Yes | No |
| File input | Yes | No |
| Input | text, image, video, file | text, image |
| Output | text | text |
| Released | 2026-09-02 | — |