Grok Code Fast 1 vs Kimi K2.5

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

Quick Verdict

Kimi K2.5 wins overall with a score of 62 vs 54 (8 point difference).Kimi K2.5 wins 4 out of 4 categories.

Knowledge

Kimi K2.5

Grok Code Fast 1

61.8

Kimi K2.5

74.8

64
MMLU
77
63
GPQA
76
61
SuperGPQA
74
59
OpenBookQA
72

Coding

Kimi K2.5

Grok Code Fast 1

60

Kimi K2.5

69

60
HumanEval
69

Mathematics

Kimi K2.5

Grok Code Fast 1

63

Kimi K2.5

76

64
AIME 2023
77
66
AIME 2024
79
65
AIME 2025
78
60
HMMT Feb 2023
73
62
HMMT Feb 2024
75
61
HMMT Feb 2025
74
63
BRUMO 2025
76

Reasoning

Kimi K2.5

Grok Code Fast 1

60

Kimi K2.5

73

61
SimpleQA
74
59
MuSR
72

Frequently Asked Questions

Which is better, Grok Code Fast 1 or Kimi K2.5?

Kimi K2.5 scores higher overall with 62 vs 54, a difference of 8 points across all benchmarks.

Which is better for knowledge tasks, Grok Code Fast 1 or Kimi K2.5?

Kimi K2.5 leads in knowledge tasks with an average score of 74.8 vs 61.8.

Which is better for coding, Grok Code Fast 1 or Kimi K2.5?

Kimi K2.5 leads in coding with an average score of 69 vs 60.

Which is better for math, Grok Code Fast 1 or Kimi K2.5?

Kimi K2.5 leads in math with an average score of 76 vs 63.

Which is better for reasoning, Grok Code Fast 1 or Kimi K2.5?

Kimi K2.5 leads in reasoning with an average score of 73 vs 60.