Side-by-side benchmark comparison across knowledge, coding, math, and reasoning.
Both models are tied with an overall score of 68.
GPT-5 mini
85
o3-pro
87.3
GPT-5 mini
80
o3-pro
80
GPT-5 mini
89
o3-pro
89
GPT-5 mini
83
o3-pro
85
GPT-5 mini and o3-pro are tied with identical overall scores of 68.
o3-pro leads in knowledge tasks with an average score of 87.3 vs 85.
GPT-5 mini and o3-pro are tied for coding with average scores of 80.
GPT-5 mini and o3-pro are tied for math with average scores of 89.
o3-pro leads in reasoning with an average score of 85 vs 83.