Side-by-side benchmark comparison across knowledge, coding, math, and reasoning.
GPT-5.1 wins overall with a score of 76 vs 67 (9 point difference).GPT-5.1 wins 4 out of 4 categories.
GPT-5.1
94
o3
85.3
GPT-5.1
89
o3
78
GPT-5.1
97.1
o3
87
GPT-5.1
92
o3
83
GPT-5.1 scores higher overall with 76 vs 67, a difference of 9 points across all benchmarks.
GPT-5.1 leads in knowledge tasks with an average score of 94 vs 85.3.
GPT-5.1 leads in coding with an average score of 89 vs 78.
GPT-5.1 leads in math with an average score of 97.1 vs 87.
GPT-5.1 leads in reasoning with an average score of 92 vs 83.