GPT-5.5 vs GPT-5.6 Luna

GPT-5.5 against GPT-5.6 Luna
GPT-5.5GPT-5.6 Luna
Coding index71.358.0
Benchmarks behind it Verified, 5 benchmarks Verified, 6 benchmarks
Output $/Mtok$30.00$1.20
Cost per solved task$1.65$0.04
Context window1.05M1.05M