Claude 4 Sonnet 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 59 (13 point difference).GPT-5 (high) wins 4 out of 4 categories.

Knowledge

GPT-5 (high)

Claude 4 Sonnet

71.5

GPT-5 (high)

90

73
MMLU
93
73
GPQA
91
71
SuperGPQA
89
69
OpenBookQA
87

Coding

GPT-5 (high)

Claude 4 Sonnet

65

GPT-5 (high)

85

65
HumanEval
85

Mathematics

GPT-5 (high)

Claude 4 Sonnet

72

GPT-5 (high)

94

73
AIME 2023
95
75
AIME 2024
97
74
AIME 2025
96
69
HMMT Feb 2023
91
71
HMMT Feb 2024
93
70
HMMT Feb 2025
92
72
BRUMO 2025
94

Reasoning

GPT-5 (high)

Claude 4 Sonnet

70

GPT-5 (high)

88

71
SimpleQA
89
69
MuSR
87

Frequently Asked Questions

Which is better, Claude 4 Sonnet or GPT-5 (high)?

GPT-5 (high) scores higher overall with 72 vs 59, a difference of 13 points across all benchmarks.

Which is better for knowledge tasks, Claude 4 Sonnet or GPT-5 (high)?

GPT-5 (high) leads in knowledge tasks with an average score of 90 vs 71.5.

Which is better for coding, Claude 4 Sonnet or GPT-5 (high)?

GPT-5 (high) leads in coding with an average score of 85 vs 65.

Which is better for math, Claude 4 Sonnet or GPT-5 (high)?

GPT-5 (high) leads in math with an average score of 94 vs 72.

Which is better for reasoning, Claude 4 Sonnet or GPT-5 (high)?

GPT-5 (high) leads in reasoning with an average score of 88 vs 70.