benchlm.ai

Grok 4 vs Kimi K2

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

Quick Verdict

Grok 4 wins overall with a score of 69 vs 23 (46 point difference).Grok 4 wins 4 out of 4 categories.

Grok 4

CreatorxAI
TypeProprietary
Context128K
Score69

Kimi K2

CreatorMoonshot AI
TypeProprietary
Context128K
Score23

Knowledge

Grok 4

Grok 4

84.8

Kimi K2

29.8

87
MMLU
32
86
GPQA
31
84
SuperGPQA
29
82
OpenBookQA
27

Coding

Grok 4

Grok 4

79

Kimi K2

24

79
HumanEval
24

Mathematics

Grok 4

Grok 4

86.6

Kimi K2

31

87
AIME 2023
32
89
AIME 2024
34
88
AIME 2025
33
84
HMMT Feb 2023
28
86
HMMT Feb 2024
30
85
HMMT Feb 2025
29
87
BRUMO 2025
31

Reasoning

Grok 4

Grok 4

82

Kimi K2

29

83
SimpleQA
30
81
MuSR
28

Frequently Asked Questions

Which is better, Grok 4 or Kimi K2?

Grok 4 scores higher overall with 69 vs 23, a difference of 46 points across all benchmarks.

Which is better for knowledge tasks, Grok 4 or Kimi K2?

Grok 4 leads in knowledge tasks with an average score of 84.8 vs 29.8.

Which is better for coding, Grok 4 or Kimi K2?

Grok 4 leads in coding with an average score of 79 vs 24.

Which is better for math, Grok 4 or Kimi K2?

Grok 4 leads in math with an average score of 86.6 vs 31.

Which is better for reasoning, Grok 4 or Kimi K2?

Grok 4 leads in reasoning with an average score of 82 vs 29.

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