GPT-5.2 vs GPT-5.6 Luna

GPT-5.2 against GPT-5.6 Luna
GPT-5.2GPT-5.6 Luna
Coding index55.958.0
Benchmarks behind it Verified, 3 benchmarks Verified, 6 benchmarks
Output $/Mtok$14.00$1.20
Cost per solved task$1.91$0.04
Context window400K1.05M