GPT-5.5 vs Kimi K2.5

GPT-5.5 against Kimi K2.5
GPT-5.5Kimi K2.5
Coding index67.858.5
Benchmarks behind it Partial, 2 benchmarks Partial, 2 benchmarks
Output $/Mtok$30.00$2.50
Cost per solved task$1.65$0.24
Context window1.05M262K