Side-by-side benchmark comparison across knowledge, coding, math, and reasoning.
GPT-5.2-Codex wins overall with a score of 82 vs 76 (6 point difference).GPT-5.2-Codex wins 3 out of 4 categories.
GPT-5.1
94
GPT-5.2-Codex
96
GPT-5.1
89
GPT-5.2-Codex
95
GPT-5.1
97.1
GPT-5.2-Codex
97.1
GPT-5.1
92
GPT-5.2-Codex
94
GPT-5.2-Codex scores higher overall with 82 vs 76, a difference of 6 points across all benchmarks.
GPT-5.2-Codex leads in knowledge tasks with an average score of 96 vs 94.
GPT-5.2-Codex leads in coding with an average score of 95 vs 89.
GPT-5.1 and GPT-5.2-Codex are tied for math with average scores of 97.1.
GPT-5.2-Codex leads in reasoning with an average score of 94 vs 92.