GPT-5.2 vs GPT-5 (high)

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

Quick Verdict

GPT-5.2 wins overall with a score of 83 vs 72 (11 point difference).GPT-5.2 wins 4 out of 4 categories.

Knowledge

GPT-5.2

GPT-5.2

96

GPT-5 (high)

90

99
MMLU
93
97
GPQA
91
95
SuperGPQA
89
93
OpenBookQA
87

Coding

GPT-5.2

GPT-5.2

91

GPT-5 (high)

85

91
HumanEval
85

Mathematics

GPT-5.2

GPT-5.2

97.1

GPT-5 (high)

94

99
AIME 2023
95
99
AIME 2024
97
98
AIME 2025
96
95
HMMT Feb 2023
91
97
HMMT Feb 2024
93
96
HMMT Feb 2025
92
96
BRUMO 2025
94

Reasoning

GPT-5.2

GPT-5.2

94

GPT-5 (high)

88

95
SimpleQA
89
93
MuSR
87

Frequently Asked Questions

Which is better, GPT-5.2 or GPT-5 (high)?

GPT-5.2 scores higher overall with 83 vs 72, a difference of 11 points across all benchmarks.

Which is better for knowledge tasks, GPT-5.2 or GPT-5 (high)?

GPT-5.2 leads in knowledge tasks with an average score of 96 vs 90.

Which is better for coding, GPT-5.2 or GPT-5 (high)?

GPT-5.2 leads in coding with an average score of 91 vs 85.

Which is better for math, GPT-5.2 or GPT-5 (high)?

GPT-5.2 leads in math with an average score of 97.1 vs 94.

Which is better for reasoning, GPT-5.2 or GPT-5 (high)?

GPT-5.2 leads in reasoning with an average score of 94 vs 88.