o3-pro vs o4-mini (high)

Side-by-side benchmark comparison across knowledge, coding, math, and reasoning.

Quick Verdict

o3-pro wins overall with a score of 68 vs 65 (3 point difference).o3-pro wins 4 out of 4 categories.

Knowledge

o3-pro

o3-pro

87.3

o4-mini (high)

80.5

88
MMLU
82
89
GPQA
82
87
SuperGPQA
80
85
OpenBookQA
78

Coding

o3-pro

o3-pro

80

o4-mini (high)

74

80
HumanEval
74

Mathematics

o3-pro

o3-pro

89

o4-mini (high)

82

90
AIME 2023
83
92
AIME 2024
85
91
AIME 2025
84
86
HMMT Feb 2023
79
88
HMMT Feb 2024
81
87
HMMT Feb 2025
80
89
BRUMO 2025
82

Reasoning

o3-pro

o3-pro

85

o4-mini (high)

79

86
SimpleQA
80
84
MuSR
78

Frequently Asked Questions

Which is better, o3-pro or o4-mini (high)?

o3-pro scores higher overall with 68 vs 65, a difference of 3 points across all benchmarks.

Which is better for knowledge tasks, o3-pro or o4-mini (high)?

o3-pro leads in knowledge tasks with an average score of 87.3 vs 80.5.

Which is better for coding, o3-pro or o4-mini (high)?

o3-pro leads in coding with an average score of 80 vs 74.

Which is better for math, o3-pro or o4-mini (high)?

o3-pro leads in math with an average score of 89 vs 82.

Which is better for reasoning, o3-pro or o4-mini (high)?

o3-pro leads in reasoning with an average score of 85 vs 79.