Gemini 2.5 Pro vs GPT-5.2

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

Quick Verdict

GPT-5.2 wins overall with a score of 83 vs 65 (18 point difference).GPT-5.2 wins 4 out of 4 categories.

Knowledge

GPT-5.2

Gemini 2.5 Pro

81.5

GPT-5.2

96

83
MMLU
99
83
GPQA
97
81
SuperGPQA
95
79
OpenBookQA
93

Coding

GPT-5.2

Gemini 2.5 Pro

75

GPT-5.2

91

75
HumanEval
91

Mathematics

GPT-5.2

Gemini 2.5 Pro

83

GPT-5.2

97.1

84
AIME 2023
99
86
AIME 2024
99
85
AIME 2025
98
80
HMMT Feb 2023
95
82
HMMT Feb 2024
97
81
HMMT Feb 2025
96
83
BRUMO 2025
96

Reasoning

GPT-5.2

Gemini 2.5 Pro

80

GPT-5.2

94

81
SimpleQA
95
79
MuSR
93

Frequently Asked Questions

Which is better, Gemini 2.5 Pro or GPT-5.2?

GPT-5.2 scores higher overall with 83 vs 65, a difference of 18 points across all benchmarks.

Which is better for knowledge tasks, Gemini 2.5 Pro or GPT-5.2?

GPT-5.2 leads in knowledge tasks with an average score of 96 vs 81.5.

Which is better for coding, Gemini 2.5 Pro or GPT-5.2?

GPT-5.2 leads in coding with an average score of 91 vs 75.

Which is better for math, Gemini 2.5 Pro or GPT-5.2?

GPT-5.2 leads in math with an average score of 97.1 vs 83.

Which is better for reasoning, Gemini 2.5 Pro or GPT-5.2?

GPT-5.2 leads in reasoning with an average score of 94 vs 80.