benchlm.ai

Gemini 3 Flash vs Grok 3 [Beta]

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

Quick Verdict

Gemini 3 Flash wins overall with a score of 58 vs 33 (25 point difference).Gemini 3 Flash wins 4 out of 4 categories.

Gemini 3 Flash

CreatorGoogle
TypeProprietary
Context1M
Score58

Grok 3 [Beta]

CreatorxAI
TypeProprietary
Context128K
Score33

Knowledge

Gemini 3 Flash

Gemini 3 Flash

67.8

Grok 3 [Beta]

39.8

70
MMLU
42
69
GPQA
41
67
SuperGPQA
39
65
OpenBookQA
37

Coding

Gemini 3 Flash

Gemini 3 Flash

62

Grok 3 [Beta]

34

62
HumanEval
34

Mathematics

Gemini 3 Flash

Gemini 3 Flash

69

Grok 3 [Beta]

41

70
AIME 2023
42
72
AIME 2024
44
71
AIME 2025
43
66
HMMT Feb 2023
38
68
HMMT Feb 2024
40
67
HMMT Feb 2025
39
69
BRUMO 2025
41

Reasoning

Gemini 3 Flash

Gemini 3 Flash

66

Grok 3 [Beta]

39

67
SimpleQA
40
65
MuSR
38

Frequently Asked Questions

Which is better, Gemini 3 Flash or Grok 3 [Beta]?

Gemini 3 Flash scores higher overall with 58 vs 33, a difference of 25 points across all benchmarks.

Which is better for knowledge tasks, Gemini 3 Flash or Grok 3 [Beta]?

Gemini 3 Flash leads in knowledge tasks with an average score of 67.8 vs 39.8.

Which is better for coding, Gemini 3 Flash or Grok 3 [Beta]?

Gemini 3 Flash leads in coding with an average score of 62 vs 34.

Which is better for math, Gemini 3 Flash or Grok 3 [Beta]?

Gemini 3 Flash leads in math with an average score of 69 vs 41.

Which is better for reasoning, Gemini 3 Flash or Grok 3 [Beta]?

Gemini 3 Flash leads in reasoning with an average score of 66 vs 39.

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