Claude Opus 4.5 vs MiMo-V2-Flash

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

Quick Verdict

Claude Opus 4.5 wins overall with a score of 79 vs 63 (16 point difference).Claude Opus 4.5 wins 4 out of 4 categories.

Knowledge

Claude Opus 4.5

Claude Opus 4.5

96

MiMo-V2-Flash

76.8

99
MMLU
79
97
GPQA
78
95
SuperGPQA
76
93
OpenBookQA
74

Coding

Claude Opus 4.5

Claude Opus 4.5

91

MiMo-V2-Flash

71

91
HumanEval
71

Mathematics

Claude Opus 4.5

Claude Opus 4.5

97.1

MiMo-V2-Flash

78

99
AIME 2023
79
99
AIME 2024
81
98
AIME 2025
80
95
HMMT Feb 2023
75
97
HMMT Feb 2024
77
96
HMMT Feb 2025
76
96
BRUMO 2025
78

Reasoning

Claude Opus 4.5

Claude Opus 4.5

94

MiMo-V2-Flash

75

95
SimpleQA
76
93
MuSR
74

Frequently Asked Questions

Which is better, Claude Opus 4.5 or MiMo-V2-Flash?

Claude Opus 4.5 scores higher overall with 79 vs 63, a difference of 16 points across all benchmarks.

Which is better for knowledge tasks, Claude Opus 4.5 or MiMo-V2-Flash?

Claude Opus 4.5 leads in knowledge tasks with an average score of 96 vs 76.8.

Which is better for coding, Claude Opus 4.5 or MiMo-V2-Flash?

Claude Opus 4.5 leads in coding with an average score of 91 vs 71.

Which is better for math, Claude Opus 4.5 or MiMo-V2-Flash?

Claude Opus 4.5 leads in math with an average score of 97.1 vs 78.

Which is better for reasoning, Claude Opus 4.5 or MiMo-V2-Flash?

Claude Opus 4.5 leads in reasoning with an average score of 94 vs 75.