GPT-5.6 Terra vs Muse Spark 1.3

GPT-5.6 Terra against Muse Spark 1.3
GPT-5.6 TerraMuse Spark 1.3
Coding index69.079.7
Benchmarks behind it Partial, 2 benchmarks Partial, 2 benchmarks
Output $/Mtok$12.00$4.25
Cost per solved task$0.42Not computable
Context window1.05M1.05M