MiMo-V2-Flash vs o3

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

Quick Verdict

o3 wins overall with a score of 67 vs 63 (4 point difference).o3 wins 4 out of 4 categories.

Knowledge

o3

MiMo-V2-Flash

76.8

o3

85.3

79
MMLU
86
78
GPQA
87
76
SuperGPQA
85
74
OpenBookQA
83

Coding

o3

MiMo-V2-Flash

71

o3

78

71
HumanEval
78

Mathematics

o3

MiMo-V2-Flash

78

o3

87

79
AIME 2023
88
81
AIME 2024
90
80
AIME 2025
89
75
HMMT Feb 2023
84
77
HMMT Feb 2024
86
76
HMMT Feb 2025
85
78
BRUMO 2025
87

Reasoning

o3

MiMo-V2-Flash

75

o3

83

76
SimpleQA
84
74
MuSR
82

Frequently Asked Questions

Which is better, MiMo-V2-Flash or o3?

o3 scores higher overall with 67 vs 63, a difference of 4 points across all benchmarks.

Which is better for knowledge tasks, MiMo-V2-Flash or o3?

o3 leads in knowledge tasks with an average score of 85.3 vs 76.8.

Which is better for coding, MiMo-V2-Flash or o3?

o3 leads in coding with an average score of 78 vs 71.

Which is better for math, MiMo-V2-Flash or o3?

o3 leads in math with an average score of 87 vs 78.

Which is better for reasoning, MiMo-V2-Flash or o3?

o3 leads in reasoning with an average score of 83 vs 75.