Grok-3 vs Muse Spark
xAI vs Meta — benchmarks, pricing, and capabilities side by side.
- •Muse Spark has the higher intelligence index (88.4 vs 82.6)
- •Muse Spark is cheaper ($0.00 vs $3.00 per 1M input)
| Grok-3 | Muse Spark | |
|---|---|---|
| Intelligence index | 82.6 | 88.4 |
| Developer | xAI | Meta |
| Type | Multimodal | Multimodal |
| Access | API only | API only |
| Context window | 128,000 tokens | — |
| Input price | $3.00 / 1M | $0.00 / 1M |
| Output price | $15.00 / 1M | $0.00 / 1M |
| Speed | 100 tok/s | — |
| Released | February 17, 2025 | April 8, 2026 |
| Parameters | — | — |
| Input modalities | Text, Image | Text, Image |
| Output modalities | Text | Text |
Shared benchmarks
Grok-3
Muse Spark
GPQA Diamond
84.6
88.4
Humanity’s Last Exam
5.1
39.9