Claude 4.1 Opus vs GPT-5 (high)

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

Quick Verdict

GPT-5 (high) wins overall with a score of 72 vs 61 (11 point difference).GPT-5 (high) wins 4 out of 4 categories.

Knowledge

GPT-5 (high)

Claude 4.1 Opus

74.5

GPT-5 (high)

90

76
MMLU
93
76
GPQA
91
74
SuperGPQA
89
72
OpenBookQA
87

Coding

GPT-5 (high)

Claude 4.1 Opus

68

GPT-5 (high)

85

68
HumanEval
85

Mathematics

GPT-5 (high)

Claude 4.1 Opus

75

GPT-5 (high)

94

76
AIME 2023
95
78
AIME 2024
97
77
AIME 2025
96
72
HMMT Feb 2023
91
74
HMMT Feb 2024
93
73
HMMT Feb 2025
92
75
BRUMO 2025
94

Reasoning

GPT-5 (high)

Claude 4.1 Opus

73

GPT-5 (high)

88

74
SimpleQA
89
72
MuSR
87

Frequently Asked Questions

Which is better, Claude 4.1 Opus or GPT-5 (high)?

GPT-5 (high) scores higher overall with 72 vs 61, a difference of 11 points across all benchmarks.

Which is better for knowledge tasks, Claude 4.1 Opus or GPT-5 (high)?

GPT-5 (high) leads in knowledge tasks with an average score of 90 vs 74.5.

Which is better for coding, Claude 4.1 Opus or GPT-5 (high)?

GPT-5 (high) leads in coding with an average score of 85 vs 68.

Which is better for math, Claude 4.1 Opus or GPT-5 (high)?

GPT-5 (high) leads in math with an average score of 94 vs 75.

Which is better for reasoning, Claude 4.1 Opus or GPT-5 (high)?

GPT-5 (high) leads in reasoning with an average score of 88 vs 73.