GLM 5.3 Flash vs GPT-5.6 Luna

GLM 5.3 Flash against GPT-5.6 Luna
GLM 5.3 FlashGPT-5.6 Luna
Coding index57.758.0
Benchmarks behind it Verified, 6 benchmarks Verified, 6 benchmarks
Output $/Mtok$0.50$1.20
Cost per solved task$0.02$0.04
Context window1.05M1.05M