Claude Opus 4.5 vs Muse Spark Open
| Claude Opus 4.5 | Muse Spark Open | |
|---|---|---|
| Coding index | 44.0 | 47.4 |
| Benchmarks behind it | Verified, 3 benchmarks | Verified, 4 benchmarks |
| Output $/Mtok | $25.00 | $4.25 |
| Cost per solved task | $1.37 | Not computable |
| Context window | 200K | 1.05M |