Grok 4 vs MiMo-V2-Flash

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

Quick Verdict

Grok 4 wins overall with a score of 69 vs 63 (6 point difference).Grok 4 wins 4 out of 4 categories.

Knowledge

Grok 4

Grok 4

84.8

MiMo-V2-Flash

76.8

87
MMLU
79
86
GPQA
78
84
SuperGPQA
76
82
OpenBookQA
74

Coding

Grok 4

Grok 4

79

MiMo-V2-Flash

71

79
HumanEval
71

Mathematics

Grok 4

Grok 4

86.6

MiMo-V2-Flash

78

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

Reasoning

Grok 4

Grok 4

82

MiMo-V2-Flash

75

83
SimpleQA
76
81
MuSR
74

Frequently Asked Questions

Which is better, Grok 4 or MiMo-V2-Flash?

Grok 4 scores higher overall with 69 vs 63, a difference of 6 points across all benchmarks.

Which is better for knowledge tasks, Grok 4 or MiMo-V2-Flash?

Grok 4 leads in knowledge tasks with an average score of 84.8 vs 76.8.

Which is better for coding, Grok 4 or MiMo-V2-Flash?

Grok 4 leads in coding with an average score of 79 vs 71.

Which is better for math, Grok 4 or MiMo-V2-Flash?

Grok 4 leads in math with an average score of 86.6 vs 78.

Which is better for reasoning, Grok 4 or MiMo-V2-Flash?

Grok 4 leads in reasoning with an average score of 82 vs 75.