GPT-4o 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 56 (12 point difference).GPT-5 mini wins 4 out of 4 categories.

Knowledge

GPT-5 mini

GPT-4o

64.5

GPT-5 mini

85

66
MMLU
88
66
GPQA
86
64
SuperGPQA
84
62
OpenBookQA
82

Coding

GPT-5 mini

GPT-4o

58

GPT-5 mini

80

58
HumanEval
80

Mathematics

GPT-5 mini

GPT-4o

65

GPT-5 mini

89

66
AIME 2023
90
68
AIME 2024
92
67
AIME 2025
91
62
HMMT Feb 2023
86
64
HMMT Feb 2024
88
63
HMMT Feb 2025
87
65
BRUMO 2025
89

Reasoning

GPT-5 mini

GPT-4o

63

GPT-5 mini

83

64
SimpleQA
84
62
MuSR
82

Frequently Asked Questions

Which is better, GPT-4o or GPT-5 mini?

GPT-5 mini scores higher overall with 68 vs 56, a difference of 12 points across all benchmarks.

Which is better for knowledge tasks, GPT-4o or GPT-5 mini?

GPT-5 mini leads in knowledge tasks with an average score of 85 vs 64.5.

Which is better for coding, GPT-4o or GPT-5 mini?

GPT-5 mini leads in coding with an average score of 80 vs 58.

Which is better for math, GPT-4o or GPT-5 mini?

GPT-5 mini leads in math with an average score of 89 vs 65.

Which is better for reasoning, GPT-4o or GPT-5 mini?

GPT-5 mini leads in reasoning with an average score of 83 vs 63.