benchlm.ai

Claude 4.1 Opus vs o1-preview

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

Quick Verdict

o1-preview wins overall with a score of 71 vs 61 (10 point difference).o1-preview wins 4 out of 4 categories.

Claude 4.1 Opus

CreatorAnthropic
TypeProprietary
Context200K
Score61

o1-preview

CreatorOpenAI
TypeProprietary
Context200K
Score71

Knowledge

o1-preview

Claude 4.1 Opus

74.5

o1-preview

89

76
MMLU
92
76
GPQA
90
74
SuperGPQA
88
72
OpenBookQA
86

Coding

o1-preview

Claude 4.1 Opus

68

o1-preview

86

68
HumanEval
86

Mathematics

o1-preview

Claude 4.1 Opus

75

o1-preview

93

76
AIME 2023
94
78
AIME 2024
96
77
AIME 2025
95
72
HMMT Feb 2023
90
74
HMMT Feb 2024
92
73
HMMT Feb 2025
91
75
BRUMO 2025
93

Reasoning

o1-preview

Claude 4.1 Opus

73

o1-preview

87

74
SimpleQA
88
72
MuSR
86

Frequently Asked Questions

Which is better, Claude 4.1 Opus or o1-preview?

o1-preview scores higher overall with 71 vs 61, a difference of 10 points across all benchmarks.

Which is better for knowledge tasks, Claude 4.1 Opus or o1-preview?

o1-preview leads in knowledge tasks with an average score of 89 vs 74.5.

Which is better for coding, Claude 4.1 Opus or o1-preview?

o1-preview leads in coding with an average score of 86 vs 68.

Which is better for math, Claude 4.1 Opus or o1-preview?

o1-preview leads in math with an average score of 93 vs 75.

Which is better for reasoning, Claude 4.1 Opus or o1-preview?

o1-preview leads in reasoning with an average score of 87 vs 73.

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