GPT-5.4 Mini vs Kimi K2.5

GPT-5.4 Mini against Kimi K2.5
GPT-5.4 MiniKimi K2.5
Coding index35.838.6
Benchmarks behind it Verified, 5 benchmarks Verified, 3 benchmarks
Output $/Mtok$4.50$2.85
Cost per solved task$0.70$0.24
Context window400K262K