Muse Spark 1.3 vs Grok 4.7
Muse Spark 1.3 vs Grok 4.7: which AI model is cheaper, has the larger context window and more capabilities? Side-by-side comparison updated daily.
Quick verdict
- Muse Spark 1.3 is 1.5× cheaper than Grok 4.7 for the same mix of input and output tokens.
- Muse Spark 1.3 has the larger context window (1M), useful for long documents and big codebases.
- Grok 4.7 is the more recent release (Sep 21, 2026).
- Choose Muse Spark 1.3 if cost matters most; choose Grok 4.7 if you need its specific strengths above. For the best results, test both on your own prompts.
| Muse Spark 1.3 | Grok 4.7 | |
|---|---|---|
| Company | Meta | xAI |
| Released | Sep 2, 2026 | Sep 21, 2026 ● |
| Overall index | 156.9 | — |
| AIME math | 99.2% | — |
| FrontierMath | 74.4% | — |
| Input (per 1M tokens) | $1.25 ● | $2 |
| Output (per 1M tokens) | $4.25 ● | $6 |
| Cost for 1M input + 1M output tokens | $5.50 ● | $8.00 |
| Providers | 1 | 5 ● |
| Context | 1M ● | 500K |
| Max output | 944K ● | 450K |
| Inputs | Text, Image, Video, Files ● | Text, Image, Files |
| Outputs | Text | Text |
| Reasoning | ✓ | ✓ |
| Tool use | ✓ | ✓ |
| Structured output | ✓ | ✓ |
| Open weights | — | — |