Gemini 2.5 Pro 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 65 (7 point difference).GPT-5 (high) wins 4 out of 4 categories.

Knowledge

GPT-5 (high)

Gemini 2.5 Pro

81.5

GPT-5 (high)

90

83
MMLU
93
83
GPQA
91
81
SuperGPQA
89
79
OpenBookQA
87

Coding

GPT-5 (high)

Gemini 2.5 Pro

75

GPT-5 (high)

85

75
HumanEval
85

Mathematics

GPT-5 (high)

Gemini 2.5 Pro

83

GPT-5 (high)

94

84
AIME 2023
95
86
AIME 2024
97
85
AIME 2025
96
80
HMMT Feb 2023
91
82
HMMT Feb 2024
93
81
HMMT Feb 2025
92
83
BRUMO 2025
94

Reasoning

GPT-5 (high)

Gemini 2.5 Pro

80

GPT-5 (high)

88

81
SimpleQA
89
79
MuSR
87

Frequently Asked Questions

Which is better, Gemini 2.5 Pro or GPT-5 (high)?

GPT-5 (high) scores higher overall with 72 vs 65, a difference of 7 points across all benchmarks.

Which is better for knowledge tasks, Gemini 2.5 Pro or GPT-5 (high)?

GPT-5 (high) leads in knowledge tasks with an average score of 90 vs 81.5.

Which is better for coding, Gemini 2.5 Pro or GPT-5 (high)?

GPT-5 (high) leads in coding with an average score of 85 vs 75.

Which is better for math, Gemini 2.5 Pro or GPT-5 (high)?

GPT-5 (high) leads in math with an average score of 94 vs 83.

Which is better for reasoning, Gemini 2.5 Pro or GPT-5 (high)?

GPT-5 (high) leads in reasoning with an average score of 88 vs 80.