Gemini 1.5 Pro vs GPT-5 mini

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

Quick Verdict

GPT-5 mini wins overall with a score of 68 vs 54 (14 point difference).GPT-5 mini wins 4 out of 4 categories.

Knowledge

GPT-5 mini

Gemini 1.5 Pro

62.5

GPT-5 mini

85

64
MMLU
88
64
GPQA
86
62
SuperGPQA
84
60
OpenBookQA
82

Coding

GPT-5 mini

Gemini 1.5 Pro

56

GPT-5 mini

80

56
HumanEval
80

Mathematics

GPT-5 mini

Gemini 1.5 Pro

63

GPT-5 mini

89

64
AIME 2023
90
66
AIME 2024
92
65
AIME 2025
91
60
HMMT Feb 2023
86
62
HMMT Feb 2024
88
61
HMMT Feb 2025
87
63
BRUMO 2025
89

Reasoning

GPT-5 mini

Gemini 1.5 Pro

61

GPT-5 mini

83

62
SimpleQA
84
60
MuSR
82

Frequently Asked Questions

Which is better, Gemini 1.5 Pro or GPT-5 mini?

GPT-5 mini scores higher overall with 68 vs 54, a difference of 14 points across all benchmarks.

Which is better for knowledge tasks, Gemini 1.5 Pro or GPT-5 mini?

GPT-5 mini leads in knowledge tasks with an average score of 85 vs 62.5.

Which is better for coding, Gemini 1.5 Pro or GPT-5 mini?

GPT-5 mini leads in coding with an average score of 80 vs 56.

Which is better for math, Gemini 1.5 Pro or GPT-5 mini?

GPT-5 mini leads in math with an average score of 89 vs 63.

Which is better for reasoning, Gemini 1.5 Pro or GPT-5 mini?

GPT-5 mini leads in reasoning with an average score of 83 vs 61.