GPT-5.4 Mini vs Muse Ember

GPT-5.4 Mini against Muse Ember
GPT-5.4 MiniMuse Ember
Coding index35.864.9
Benchmarks behind it Verified, 5 benchmarks Verified, 3 benchmarks
Output $/Mtok$4.50$0.50
Cost per solved task$0.70Not computable
Context window400K1.05M