Gemini 2.5 Flash vs Grok 4.1 Fast

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

Quick Verdict

Grok 4.1 Fast wins overall with a score of 73 vs 41 (32 point difference).Grok 4.1 Fast wins 4 out of 4 categories.

Knowledge

Grok 4.1 Fast

Gemini 2.5 Flash

47.8

Grok 4.1 Fast

91

50
MMLU
94
49
GPQA
92
47
SuperGPQA
90
45
OpenBookQA
88

Coding

Grok 4.1 Fast

Gemini 2.5 Flash

42

Grok 4.1 Fast

86

42
HumanEval
86

Mathematics

Grok 4.1 Fast

Gemini 2.5 Flash

49

Grok 4.1 Fast

95

50
AIME 2023
96
52
AIME 2024
98
51
AIME 2025
97
46
HMMT Feb 2023
92
48
HMMT Feb 2024
94
47
HMMT Feb 2025
93
49
BRUMO 2025
95

Reasoning

Grok 4.1 Fast

Gemini 2.5 Flash

47

Grok 4.1 Fast

89

48
SimpleQA
90
46
MuSR
88

Frequently Asked Questions

Which is better, Gemini 2.5 Flash or Grok 4.1 Fast?

Grok 4.1 Fast scores higher overall with 73 vs 41, a difference of 32 points across all benchmarks.

Which is better for knowledge tasks, Gemini 2.5 Flash or Grok 4.1 Fast?

Grok 4.1 Fast leads in knowledge tasks with an average score of 91 vs 47.8.

Which is better for coding, Gemini 2.5 Flash or Grok 4.1 Fast?

Grok 4.1 Fast leads in coding with an average score of 86 vs 42.

Which is better for math, Gemini 2.5 Flash or Grok 4.1 Fast?

Grok 4.1 Fast leads in math with an average score of 95 vs 49.

Which is better for reasoning, Gemini 2.5 Flash or Grok 4.1 Fast?

Grok 4.1 Fast leads in reasoning with an average score of 89 vs 47.