Claude 4 Sonnet 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 59 (9 point difference).GPT-5 mini wins 4 out of 4 categories.

Knowledge

GPT-5 mini

Claude 4 Sonnet

71.5

GPT-5 mini

85

73
MMLU
88
73
GPQA
86
71
SuperGPQA
84
69
OpenBookQA
82

Coding

GPT-5 mini

Claude 4 Sonnet

65

GPT-5 mini

80

65
HumanEval
80

Mathematics

GPT-5 mini

Claude 4 Sonnet

72

GPT-5 mini

89

73
AIME 2023
90
75
AIME 2024
92
74
AIME 2025
91
69
HMMT Feb 2023
86
71
HMMT Feb 2024
88
70
HMMT Feb 2025
87
72
BRUMO 2025
89

Reasoning

GPT-5 mini

Claude 4 Sonnet

70

GPT-5 mini

83

71
SimpleQA
84
69
MuSR
82

Frequently Asked Questions

Which is better, Claude 4 Sonnet or GPT-5 mini?

GPT-5 mini scores higher overall with 68 vs 59, a difference of 9 points across all benchmarks.

Which is better for knowledge tasks, Claude 4 Sonnet or GPT-5 mini?

GPT-5 mini leads in knowledge tasks with an average score of 85 vs 71.5.

Which is better for coding, Claude 4 Sonnet or GPT-5 mini?

GPT-5 mini leads in coding with an average score of 80 vs 65.

Which is better for math, Claude 4 Sonnet or GPT-5 mini?

GPT-5 mini leads in math with an average score of 89 vs 72.

Which is better for reasoning, Claude 4 Sonnet or GPT-5 mini?

GPT-5 mini leads in reasoning with an average score of 83 vs 70.