GLM 5.3 Flash vs GPT-5.3-Codex

GLM 5.3 Flash against GPT-5.3-Codex
GLM 5.3 FlashGPT-5.3-Codex
Coding index57.760.0
Benchmarks behind it Verified, 6 benchmarks Verified, 3 benchmarks
Output $/Mtok$0.50$14.00
Cost per solved task$0.02$0.59
Context window1.05M400K