benchlm.ai

Claude 4.1 Opus vs GPT-5 mini

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

Quick Verdict

GPT-5 mini wins overall with a score of 68 vs 61 (7 point difference).GPT-5 mini wins 4 out of 4 categories.

Claude 4.1 Opus

CreatorAnthropic
TypeProprietary
Context200K
Score61

GPT-5 mini

CreatorOpenAI
TypeProprietary
Context128K
Score68

Knowledge

GPT-5 mini

Claude 4.1 Opus

74.5

GPT-5 mini

85

76
MMLU
88
76
GPQA
86
74
SuperGPQA
84
72
OpenBookQA
82

Coding

GPT-5 mini

Claude 4.1 Opus

68

GPT-5 mini

80

68
HumanEval
80

Mathematics

GPT-5 mini

Claude 4.1 Opus

75

GPT-5 mini

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

GPT-5 mini

Claude 4.1 Opus

73

GPT-5 mini

83

74
SimpleQA
84
72
MuSR
82

Frequently Asked Questions

Which is better, Claude 4.1 Opus or GPT-5 mini?

GPT-5 mini 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 GPT-5 mini?

GPT-5 mini leads in knowledge tasks with an average score of 85 vs 74.5.

Which is better for coding, Claude 4.1 Opus or GPT-5 mini?

GPT-5 mini leads in coding with an average score of 80 vs 68.

Which is better for math, Claude 4.1 Opus or GPT-5 mini?

GPT-5 mini leads in math with an average score of 89 vs 75.

Which is better for reasoning, Claude 4.1 Opus or GPT-5 mini?

GPT-5 mini leads in reasoning with an average score of 83 vs 73.

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