benchlm.ai

Grok 4.1 vs Kimi K2.5

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

Quick Verdict

Grok 4.1 wins overall with a score of 84 vs 62 (22 point difference).Grok 4.1 wins 4 out of 4 categories.

Grok 4.1

CreatorxAI
TypeProprietary
Context128K
Score84

Kimi K2.5

CreatorMoonshot AI
TypeOpen Weight
Context128K
Score62

Knowledge

Grok 4.1

Grok 4.1

96

Kimi K2.5

74.8

99
MMLU
77
97
GPQA
76
95
SuperGPQA
74
93
OpenBookQA
72

Coding

Grok 4.1

Grok 4.1

91

Kimi K2.5

69

91
HumanEval
69

Mathematics

Grok 4.1

Grok 4.1

97.1

Kimi K2.5

76

99
AIME 2023
77
99
AIME 2024
79
98
AIME 2025
78
95
HMMT Feb 2023
73
97
HMMT Feb 2024
75
96
HMMT Feb 2025
74
96
BRUMO 2025
76

Reasoning

Grok 4.1

Grok 4.1

94

Kimi K2.5

73

95
SimpleQA
74
93
MuSR
72

Frequently Asked Questions

Which is better, Grok 4.1 or Kimi K2.5?

Grok 4.1 scores higher overall with 84 vs 62, a difference of 22 points across all benchmarks.

Which is better for knowledge tasks, Grok 4.1 or Kimi K2.5?

Grok 4.1 leads in knowledge tasks with an average score of 96 vs 74.8.

Which is better for coding, Grok 4.1 or Kimi K2.5?

Grok 4.1 leads in coding with an average score of 91 vs 69.

Which is better for math, Grok 4.1 or Kimi K2.5?

Grok 4.1 leads in math with an average score of 97.1 vs 76.

Which is better for reasoning, Grok 4.1 or Kimi K2.5?

Grok 4.1 leads in reasoning with an average score of 94 vs 73.

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