Grok 3 [Beta] vs o3-pro

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

Quick Verdict

o3-pro wins overall with a score of 68 vs 33 (35 point difference).o3-pro wins 4 out of 4 categories.

Knowledge

o3-pro

Grok 3 [Beta]

39.8

o3-pro

87.3

42
MMLU
88
41
GPQA
89
39
SuperGPQA
87
37
OpenBookQA
85

Coding

o3-pro

Grok 3 [Beta]

34

o3-pro

80

34
HumanEval
80

Mathematics

o3-pro

Grok 3 [Beta]

41

o3-pro

89

42
AIME 2023
90
44
AIME 2024
92
43
AIME 2025
91
38
HMMT Feb 2023
86
40
HMMT Feb 2024
88
39
HMMT Feb 2025
87
41
BRUMO 2025
89

Reasoning

o3-pro

Grok 3 [Beta]

39

o3-pro

85

40
SimpleQA
86
38
MuSR
84

Frequently Asked Questions

Which is better, Grok 3 [Beta] or o3-pro?

o3-pro scores higher overall with 68 vs 33, a difference of 35 points across all benchmarks.

Which is better for knowledge tasks, Grok 3 [Beta] or o3-pro?

o3-pro leads in knowledge tasks with an average score of 87.3 vs 39.8.

Which is better for coding, Grok 3 [Beta] or o3-pro?

o3-pro leads in coding with an average score of 80 vs 34.

Which is better for math, Grok 3 [Beta] or o3-pro?

o3-pro leads in math with an average score of 89 vs 41.

Which is better for reasoning, Grok 3 [Beta] or o3-pro?

o3-pro leads in reasoning with an average score of 85 vs 39.