GPT-5.5 vs Muse Spark 1.3

GPT-5.5 against Muse Spark 1.3
GPT-5.5Muse Spark 1.3
Coding index71.357.4
Benchmarks behind it Verified, 5 benchmarks Verified, 4 benchmarks
Output $/Mtok$30.00$4.25
Cost per solved task$1.65Not computable
Context window1.05M1.05M