Gemini 2.5 Flash vs Grok 4

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

Quick Verdict

Grok 4 wins overall with a score of 69 vs 41 (28 point difference).Grok 4 wins 4 out of 4 categories.

Knowledge

Grok 4

Gemini 2.5 Flash

47.8

Grok 4

84.8

50
MMLU
87
49
GPQA
86
47
SuperGPQA
84
45
OpenBookQA
82

Coding

Grok 4

Gemini 2.5 Flash

42

Grok 4

79

42
HumanEval
79

Mathematics

Grok 4

Gemini 2.5 Flash

49

Grok 4

86.6

50
AIME 2023
87
52
AIME 2024
89
51
AIME 2025
88
46
HMMT Feb 2023
84
48
HMMT Feb 2024
86
47
HMMT Feb 2025
85
49
BRUMO 2025
87

Reasoning

Grok 4

Gemini 2.5 Flash

47

Grok 4

82

48
SimpleQA
83
46
MuSR
81

Frequently Asked Questions

Which is better, Gemini 2.5 Flash or Grok 4?

Grok 4 scores higher overall with 69 vs 41, a difference of 28 points across all benchmarks.

Which is better for knowledge tasks, Gemini 2.5 Flash or Grok 4?

Grok 4 leads in knowledge tasks with an average score of 84.8 vs 47.8.

Which is better for coding, Gemini 2.5 Flash or Grok 4?

Grok 4 leads in coding with an average score of 79 vs 42.

Which is better for math, Gemini 2.5 Flash or Grok 4?

Grok 4 leads in math with an average score of 86.6 vs 49.

Which is better for reasoning, Gemini 2.5 Flash or Grok 4?

Grok 4 leads in reasoning with an average score of 82 vs 47.