Side-by-side benchmark comparison across knowledge, coding, math, and reasoning.
GPT-5.4 wins overall with a score of 88 vs 85 (3 point difference).GPT-5.4 wins 0 out of 4 categories.
GPT-5.3 Codex
96
GPT-5.4
96
GPT-5.3 Codex
95
GPT-5.4
91
GPT-5.3 Codex
97.1
GPT-5.4
97.1
GPT-5.3 Codex
94
GPT-5.4
94
GPT-5.4 scores higher overall with 88 vs 85, a difference of 3 points across all benchmarks.
GPT-5.3 Codex and GPT-5.4 are tied for knowledge tasks with average scores of 96.
GPT-5.3 Codex leads in coding with an average score of 95 vs 91.
GPT-5.3 Codex and GPT-5.4 are tied for math with average scores of 97.1.
GPT-5.3 Codex and GPT-5.4 are tied for reasoning with average scores of 94.