Grok 3 [Beta] vs o4-mini (high)

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

Quick Verdict

o4-mini (high) wins overall with a score of 65 vs 33 (32 point difference).o4-mini (high) wins 4 out of 4 categories.

Knowledge

o4-mini (high)

Grok 3 [Beta]

39.8

o4-mini (high)

80.5

42
MMLU
82
41
GPQA
82
39
SuperGPQA
80
37
OpenBookQA
78

Coding

o4-mini (high)

Grok 3 [Beta]

34

o4-mini (high)

74

34
HumanEval
74

Mathematics

o4-mini (high)

Grok 3 [Beta]

41

o4-mini (high)

82

42
AIME 2023
83
44
AIME 2024
85
43
AIME 2025
84
38
HMMT Feb 2023
79
40
HMMT Feb 2024
81
39
HMMT Feb 2025
80
41
BRUMO 2025
82

Reasoning

o4-mini (high)

Grok 3 [Beta]

39

o4-mini (high)

79

40
SimpleQA
80
38
MuSR
78

Frequently Asked Questions

Which is better, Grok 3 [Beta] or o4-mini (high)?

o4-mini (high) scores higher overall with 65 vs 33, a difference of 32 points across all benchmarks.

Which is better for knowledge tasks, Grok 3 [Beta] or o4-mini (high)?

o4-mini (high) leads in knowledge tasks with an average score of 80.5 vs 39.8.

Which is better for coding, Grok 3 [Beta] or o4-mini (high)?

o4-mini (high) leads in coding with an average score of 74 vs 34.

Which is better for math, Grok 3 [Beta] or o4-mini (high)?

o4-mini (high) leads in math with an average score of 82 vs 41.

Which is better for reasoning, Grok 3 [Beta] or o4-mini (high)?

o4-mini (high) leads in reasoning with an average score of 79 vs 39.