Grok 4.1 vs o3

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

Quick Verdict

Grok 4.1 wins overall with a score of 84 vs 67 (17 point difference).Grok 4.1 wins 4 out of 4 categories.

Knowledge

Grok 4.1

Grok 4.1

96

o3

85.3

99
MMLU
86
97
GPQA
87
95
SuperGPQA
85
93
OpenBookQA
83

Coding

Grok 4.1

Grok 4.1

91

o3

78

91
HumanEval
78

Mathematics

Grok 4.1

Grok 4.1

97.1

o3

87

99
AIME 2023
88
99
AIME 2024
90
98
AIME 2025
89
95
HMMT Feb 2023
84
97
HMMT Feb 2024
86
96
HMMT Feb 2025
85
96
BRUMO 2025
87

Reasoning

Grok 4.1

Grok 4.1

94

o3

83

95
SimpleQA
84
93
MuSR
82

Frequently Asked Questions

Which is better, Grok 4.1 or o3?

Grok 4.1 scores higher overall with 84 vs 67, a difference of 17 points across all benchmarks.

Which is better for knowledge tasks, Grok 4.1 or o3?

Grok 4.1 leads in knowledge tasks with an average score of 96 vs 85.3.

Which is better for coding, Grok 4.1 or o3?

Grok 4.1 leads in coding with an average score of 91 vs 78.

Which is better for math, Grok 4.1 or o3?

Grok 4.1 leads in math with an average score of 97.1 vs 87.

Which is better for reasoning, Grok 4.1 or o3?

Grok 4.1 leads in reasoning with an average score of 94 vs 83.