GLM 5.3 Flash vs GPT-5.2

GLM 5.3 Flash against GPT-5.2
GLM 5.3 FlashGPT-5.2
Coding index57.755.9
Benchmarks behind it Verified, 6 benchmarks Verified, 3 benchmarks
Output $/Mtok$0.50$14.00
Cost per solved task$0.02$1.91
Context window1.05M400K