Muse Spark 1.3 vs GLM-5.3
Muse Spark 1.3 (Meta) and GLM-5.3 (Zhipu AI (Z.ai)) compared on price, context window, speed and independent benchmarks. Muse Spark 1.3 both scores higher on the Artificial Analysis Intelligence Index (60.8 vs 59.5) and is cheaper on a blended basis — 1.1× less than GLM-5.3.
| Muse Spark 1.3 | GLM-5.3 | |
|---|---|---|
| Provider | Meta | Zhipu AI (Z.ai) |
| Input $/1M | $1.25 | $1.40 |
| Output $/1M | $4.25 | $4.40 |
| Blended $/1M (3:1) | $2.00 | $2.15 |
| Cached input $/1M | $0.15 | $0.26 |
| Context window | 1.0M | 1M |
| Knowledge cutoff | — | — |
| License | proprietary | open weights |
| Speed (tok/s) | 115 | 78 |
| Artificial Analysis Intelligence Index | 60.8 | 59.5 |
| LMArena Elo | — | 1474 |
| GPQA Diamond | 94.1% | 91.7% |
| Humanity's Last Exam | 47.5% | 42.3% |