GPT-5.6 Luna vs Kimi K2.5

GPT-5.6 Luna against Kimi K2.5
GPT-5.6 LunaKimi K2.5
Coding index58.038.6
Benchmarks behind it Verified, 6 benchmarks Verified, 3 benchmarks
Output $/Mtok$1.20$2.85
Cost per solved task$0.04$0.24
Context window1.05M262K