GPT-5 mini vs MiniMax M2.5

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

Quick Verdict

GPT-5 mini wins overall with a score of 68 vs 59 (9 point difference).GPT-5 mini wins 4 out of 4 categories.

Knowledge

GPT-5 mini

GPT-5 mini

85

MiniMax M2.5

70.8

88
MMLU
73
86
GPQA
72
84
SuperGPQA
70
82
OpenBookQA
68

Coding

GPT-5 mini

GPT-5 mini

80

MiniMax M2.5

65

80
HumanEval
65

Mathematics

GPT-5 mini

GPT-5 mini

89

MiniMax M2.5

72

90
AIME 2023
73
92
AIME 2024
75
91
AIME 2025
74
86
HMMT Feb 2023
69
88
HMMT Feb 2024
71
87
HMMT Feb 2025
70
89
BRUMO 2025
72

Reasoning

GPT-5 mini

GPT-5 mini

83

MiniMax M2.5

69

84
SimpleQA
70
82
MuSR
68

Frequently Asked Questions

Which is better, GPT-5 mini or MiniMax M2.5?

GPT-5 mini scores higher overall with 68 vs 59, a difference of 9 points across all benchmarks.

Which is better for knowledge tasks, GPT-5 mini or MiniMax M2.5?

GPT-5 mini leads in knowledge tasks with an average score of 85 vs 70.8.

Which is better for coding, GPT-5 mini or MiniMax M2.5?

GPT-5 mini leads in coding with an average score of 80 vs 65.

Which is better for math, GPT-5 mini or MiniMax M2.5?

GPT-5 mini leads in math with an average score of 89 vs 72.

Which is better for reasoning, GPT-5 mini or MiniMax M2.5?

GPT-5 mini leads in reasoning with an average score of 83 vs 69.