Grok Code Fast 1 vs Kimi K2

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

Quick Verdict

Grok Code Fast 1 wins overall with a score of 54 vs 23 (31 point difference).Grok Code Fast 1 wins 4 out of 4 categories.

Knowledge

Grok Code Fast 1

Grok Code Fast 1

61.8

Kimi K2

29.8

64
MMLU
32
63
GPQA
31
61
SuperGPQA
29
59
OpenBookQA
27

Coding

Grok Code Fast 1

Grok Code Fast 1

60

Kimi K2

24

60
HumanEval
24

Mathematics

Grok Code Fast 1

Grok Code Fast 1

63

Kimi K2

31

64
AIME 2023
32
66
AIME 2024
34
65
AIME 2025
33
60
HMMT Feb 2023
28
62
HMMT Feb 2024
30
61
HMMT Feb 2025
29
63
BRUMO 2025
31

Reasoning

Grok Code Fast 1

Grok Code Fast 1

60

Kimi K2

29

61
SimpleQA
30
59
MuSR
28

Frequently Asked Questions

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

Grok Code Fast 1 scores higher overall with 54 vs 23, a difference of 31 points across all benchmarks.

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

Grok Code Fast 1 leads in knowledge tasks with an average score of 61.8 vs 29.8.

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

Grok Code Fast 1 leads in coding with an average score of 60 vs 24.

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

Grok Code Fast 1 leads in math with an average score of 63 vs 31.

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

Grok Code Fast 1 leads in reasoning with an average score of 60 vs 29.