Claude 4.1 Opus vs o3-pro

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

Quick Verdict

o3-pro wins overall with a score of 68 vs 61 (7 point difference).o3-pro wins 4 out of 4 categories.

Knowledge

o3-pro

Claude 4.1 Opus

74.5

o3-pro

87.3

76
MMLU
88
76
GPQA
89
74
SuperGPQA
87
72
OpenBookQA
85

Coding

o3-pro

Claude 4.1 Opus

68

o3-pro

80

68
HumanEval
80

Mathematics

o3-pro

Claude 4.1 Opus

75

o3-pro

89

76
AIME 2023
90
78
AIME 2024
92
77
AIME 2025
91
72
HMMT Feb 2023
86
74
HMMT Feb 2024
88
73
HMMT Feb 2025
87
75
BRUMO 2025
89

Reasoning

o3-pro

Claude 4.1 Opus

73

o3-pro

85

74
SimpleQA
86
72
MuSR
84

Frequently Asked Questions

Which is better, Claude 4.1 Opus or o3-pro?

o3-pro scores higher overall with 68 vs 61, a difference of 7 points across all benchmarks.

Which is better for knowledge tasks, Claude 4.1 Opus or o3-pro?

o3-pro leads in knowledge tasks with an average score of 87.3 vs 74.5.

Which is better for coding, Claude 4.1 Opus or o3-pro?

o3-pro leads in coding with an average score of 80 vs 68.

Which is better for math, Claude 4.1 Opus or o3-pro?

o3-pro leads in math with an average score of 89 vs 75.

Which is better for reasoning, Claude 4.1 Opus or o3-pro?

o3-pro leads in reasoning with an average score of 85 vs 73.