Muse Spark 1.2 vs GPT Image 2.5 Dev
| Meta Muse Spark 1.2 | OpenAI GPT Image 2.5 Dev | |
|---|---|---|
| Vendor | Meta | OpenAI |
| 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 |
| Output | text | image |
| Released | 2026-08-05 | 2026-09-08 |