GPT-5.4 Nano vs Muse Spark 1.3

GPT-5.4 Nano against Muse Spark 1.3
GPT-5.4 NanoMuse Spark 1.3
Coding index44.857.4
Benchmarks behind it Partial, 2 benchmarks Verified, 4 benchmarks
Output $/Mtok$1.25$4.25
Cost per solved task$0.14Not computable
Context window400K1.05M