Llama 3.1 405B vs MiMo-V2-Flash

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

Quick Verdict

MiMo-V2-Flash wins overall with a score of 63 vs 58 (5 point difference).MiMo-V2-Flash wins 4 out of 4 categories.

Knowledge

MiMo-V2-Flash

Llama 3.1 405B

68.5

MiMo-V2-Flash

76.8

70
MMLU
79
70
GPQA
78
68
SuperGPQA
76
66
OpenBookQA
74

Coding

MiMo-V2-Flash

Llama 3.1 405B

62

MiMo-V2-Flash

71

62
HumanEval
71

Mathematics

MiMo-V2-Flash

Llama 3.1 405B

69

MiMo-V2-Flash

78

70
AIME 2023
79
72
AIME 2024
81
71
AIME 2025
80
66
HMMT Feb 2023
75
68
HMMT Feb 2024
77
67
HMMT Feb 2025
76
69
BRUMO 2025
78

Reasoning

MiMo-V2-Flash

Llama 3.1 405B

67

MiMo-V2-Flash

75

68
SimpleQA
76
66
MuSR
74

Frequently Asked Questions

Which is better, Llama 3.1 405B or MiMo-V2-Flash?

MiMo-V2-Flash scores higher overall with 63 vs 58, a difference of 5 points across all benchmarks.

Which is better for knowledge tasks, Llama 3.1 405B or MiMo-V2-Flash?

MiMo-V2-Flash leads in knowledge tasks with an average score of 76.8 vs 68.5.

Which is better for coding, Llama 3.1 405B or MiMo-V2-Flash?

MiMo-V2-Flash leads in coding with an average score of 71 vs 62.

Which is better for math, Llama 3.1 405B or MiMo-V2-Flash?

MiMo-V2-Flash leads in math with an average score of 78 vs 69.

Which is better for reasoning, Llama 3.1 405B or MiMo-V2-Flash?

MiMo-V2-Flash leads in reasoning with an average score of 75 vs 67.