MiniMax M2.5 vs o3

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

Quick Verdict

o3 wins overall with a score of 67 vs 59 (8 point difference).o3 wins 4 out of 4 categories.

Knowledge

o3

MiniMax M2.5

70.8

o3

85.3

73
MMLU
86
72
GPQA
87
70
SuperGPQA
85
68
OpenBookQA
83

Coding

o3

MiniMax M2.5

65

o3

78

65
HumanEval
78

Mathematics

o3

MiniMax M2.5

72

o3

87

73
AIME 2023
88
75
AIME 2024
90
74
AIME 2025
89
69
HMMT Feb 2023
84
71
HMMT Feb 2024
86
70
HMMT Feb 2025
85
72
BRUMO 2025
87

Reasoning

o3

MiniMax M2.5

69

o3

83

70
SimpleQA
84
68
MuSR
82

Frequently Asked Questions

Which is better, MiniMax M2.5 or o3?

o3 scores higher overall with 67 vs 59, a difference of 8 points across all benchmarks.

Which is better for knowledge tasks, MiniMax M2.5 or o3?

o3 leads in knowledge tasks with an average score of 85.3 vs 70.8.

Which is better for coding, MiniMax M2.5 or o3?

o3 leads in coding with an average score of 78 vs 65.

Which is better for math, MiniMax M2.5 or o3?

o3 leads in math with an average score of 87 vs 72.

Which is better for reasoning, MiniMax M2.5 or o3?

o3 leads in reasoning with an average score of 83 vs 69.