Side-by-side benchmark comparison across knowledge, coding, math, and reasoning.
GPT-5.3 Codex wins overall with a score of 85 vs 59 (26 point difference).GPT-5.3 Codex wins 4 out of 4 categories.
GPT-5.3 Codex
96
MiniMax M2.5
70.8
GPT-5.3 Codex
95
MiniMax M2.5
65
GPT-5.3 Codex
97.1
MiniMax M2.5
72
GPT-5.3 Codex
94
MiniMax M2.5
69
GPT-5.3 Codex scores higher overall with 85 vs 59, a difference of 26 points across all benchmarks.
GPT-5.3 Codex leads in knowledge tasks with an average score of 96 vs 70.8.
GPT-5.3 Codex leads in coding with an average score of 95 vs 65.
GPT-5.3 Codex leads in math with an average score of 97.1 vs 72.
GPT-5.3 Codex leads in reasoning with an average score of 94 vs 69.