Claude 4.1 Opus vs o1-pro

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

Claude 4.1 Opus is clearly ahead on the aggregate, 69 to 33. The gap is large enough that you do not need to squint at the spreadsheet to see the difference.

o1-pro is the reasoning model in the pair, while Claude 4.1 Opus is not. That usually helps on harder chain-of-thought-heavy tests, but it can also mean more latency and more token spend in real use.

Quick Verdict

Pick Claude 4.1 Opus if you want the stronger benchmark profile. o1-pro only becomes the better choice if knowledge is the priority or you want the stronger reasoning-first profile.

Knowledge

o1-pro

Claude 4.1 Opus

64

o1-pro

79

76
MMLU
-
76
GPQA
79
74
SuperGPQA
-
72
OpenBookQA
-
75
MMLU-Pro
-
11
HLE
-

Coding

Claude 4.1 Opus
68
HumanEval
-
48
SWE-bench Verified
-
40
LiveCodeBench
-

Mathematics

o1-pro

Claude 4.1 Opus

75.8

o1-pro

86

76
AIME 2023
-
78
AIME 2024
86
77
AIME 2025
-
72
HMMT Feb 2023
-
74
HMMT Feb 2024
-
73
HMMT Feb 2025
-
75
BRUMO 2025
-
81
MATH-500
-

Reasoning

Claude 4.1 Opus
74
SimpleQA
-
72
MuSR
-
81
BBH
-

Instruction Following

Claude 4.1 Opus
83
IFEval
-

Multilingual

Claude 4.1 Opus
85
MGSM
-

Frequently Asked Questions

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

Claude 4.1 Opus is ahead overall, 69 to 33. The biggest single separator in this matchup is AIME 2024, where the scores are 78 and 86.

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

o1-pro has the edge for knowledge tasks in this comparison, averaging 79 versus 64. Inside this category, GPQA is the benchmark that creates the most daylight between them.

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

o1-pro has the edge for math in this comparison, averaging 86 versus 75.8. Inside this category, AIME 2024 is the benchmark that creates the most daylight between them.

Last updated: March 9, 2026

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