GPT-5 (high) vs GPT-5 (medium)

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

Quick Verdict

GPT-5 (high) wins overall with a score of 72 vs 70 (2 point difference).GPT-5 (high) wins 4 out of 4 categories.

Knowledge

GPT-5 (high)

GPT-5 (high)

90

GPT-5 (medium)

88

93
MMLU
91
91
GPQA
89
89
SuperGPQA
87
87
OpenBookQA
85

Coding

GPT-5 (high)

GPT-5 (high)

85

GPT-5 (medium)

83

85
HumanEval
83

Mathematics

GPT-5 (high)

GPT-5 (high)

94

GPT-5 (medium)

92

95
AIME 2023
93
97
AIME 2024
95
96
AIME 2025
94
91
HMMT Feb 2023
89
93
HMMT Feb 2024
91
92
HMMT Feb 2025
90
94
BRUMO 2025
92

Reasoning

GPT-5 (high)

GPT-5 (high)

88

GPT-5 (medium)

86

89
SimpleQA
87
87
MuSR
85

Frequently Asked Questions

Which is better, GPT-5 (high) or GPT-5 (medium)?

GPT-5 (high) scores higher overall with 72 vs 70, a difference of 2 points across all benchmarks.

Which is better for knowledge tasks, GPT-5 (high) or GPT-5 (medium)?

GPT-5 (high) leads in knowledge tasks with an average score of 90 vs 88.

Which is better for coding, GPT-5 (high) or GPT-5 (medium)?

GPT-5 (high) leads in coding with an average score of 85 vs 83.

Which is better for math, GPT-5 (high) or GPT-5 (medium)?

GPT-5 (high) leads in math with an average score of 94 vs 92.

Which is better for reasoning, GPT-5 (high) or GPT-5 (medium)?

GPT-5 (high) leads in reasoning with an average score of 88 vs 86.