Grok 3 Mini vs Kimi K2

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

Grok 3 Mini is clearly ahead on the aggregate, 23 to 15. The gap is large enough that you do not need to squint at the spreadsheet to see the difference.

Grok 3 Mini's sharpest advantage is in knowledge, where it averages 74.1 against 30. The single biggest benchmark swing on the page is GPQA, 66.2% to 31%. Kimi K2 does hit back in reasoning, so the answer changes if that is the part of the workload you care about most.

Quick Verdict

Pick Grok 3 Mini if you want the stronger benchmark profile. Kimi K2 only becomes the better choice if reasoning is the priority.

Agentic

Coming soon

Benchmark data for this category is coming soon.

Coding

Grok 3 Mini

Grok 3 Mini

41.5

Kimi K2

24

41.5%
LiveCodeBench
Coming soon
Coming soon
HumanEval
24%

Multimodal & Grounded

Coming soon

Benchmark data for this category is coming soon.

Reasoning

Kimi K2

Grok 3 Mini

21.7

Kimi K2

28.9

21.7%
SimpleQA
30%
Coming soon
MuSR
28%

Knowledge

Grok 3 Mini

Grok 3 Mini

74.1

Kimi K2

30

66.2%
GPQA
31%
78.9%
MMLU-Pro
Coming soon
Coming soon
MMLU
32%
Coming soon
SuperGPQA
29%
Coming soon
OpenBookQA
27%

Instruction Following

Coming soon

Benchmark data for this category is coming soon.

Multilingual

Coming soon

Benchmark data for this category is coming soon.

Mathematics

Grok 3 Mini

Grok 3 Mini

39.7

Kimi K2

31

39.7%
AIME 2024
34%
Coming soon
AIME 2023
32%
Coming soon
AIME 2025
33%
Coming soon
HMMT Feb 2023
28%
Coming soon
HMMT Feb 2024
30%
Coming soon
HMMT Feb 2025
29%
Coming soon
BRUMO 2025
31%

Frequently Asked Questions

Which is better, Grok 3 Mini or Kimi K2?

Grok 3 Mini is ahead overall, 23 to 15. The biggest single separator in this matchup is GPQA, where the scores are 66.2% and 31%.

Which is better for knowledge tasks, Grok 3 Mini or Kimi K2?

Grok 3 Mini has the edge for knowledge tasks in this comparison, averaging 74.1 versus 30. Inside this category, GPQA is the benchmark that creates the most daylight between them.

Which is better for coding, Grok 3 Mini or Kimi K2?

Grok 3 Mini has the edge for coding in this comparison, averaging 41.5 versus 24. Kimi K2 stays close enough that the answer can still flip depending on your workload.

Which is better for math, Grok 3 Mini or Kimi K2?

Grok 3 Mini has the edge for math in this comparison, averaging 39.7 versus 31. Inside this category, AIME 2024 is the benchmark that creates the most daylight between them.

Which is better for reasoning, Grok 3 Mini or Kimi K2?

Kimi K2 has the edge for reasoning in this comparison, averaging 28.9 versus 21.7. Inside this category, SimpleQA is the benchmark that creates the most daylight between them.

Last updated: March 17, 2026

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