Grok Code Fast 1 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 54 (11 point difference).o4-mini (high) wins 4 out of 4 categories.

Knowledge

o4-mini (high)

Grok Code Fast 1

61.8

o4-mini (high)

80.5

64
MMLU
82
63
GPQA
82
61
SuperGPQA
80
59
OpenBookQA
78

Coding

o4-mini (high)

Grok Code Fast 1

60

o4-mini (high)

74

60
HumanEval
74

Mathematics

o4-mini (high)

Grok Code Fast 1

63

o4-mini (high)

82

64
AIME 2023
83
66
AIME 2024
85
65
AIME 2025
84
60
HMMT Feb 2023
79
62
HMMT Feb 2024
81
61
HMMT Feb 2025
80
63
BRUMO 2025
82

Reasoning

o4-mini (high)

Grok Code Fast 1

60

o4-mini (high)

79

61
SimpleQA
80
59
MuSR
78

Frequently Asked Questions

Which is better, Grok Code Fast 1 or o4-mini (high)?

o4-mini (high) scores higher overall with 65 vs 54, a difference of 11 points across all benchmarks.

Which is better for knowledge tasks, Grok Code Fast 1 or o4-mini (high)?

o4-mini (high) leads in knowledge tasks with an average score of 80.5 vs 61.8.

Which is better for coding, Grok Code Fast 1 or o4-mini (high)?

o4-mini (high) leads in coding with an average score of 74 vs 60.

Which is better for math, Grok Code Fast 1 or o4-mini (high)?

o4-mini (high) leads in math with an average score of 82 vs 63.

Which is better for reasoning, Grok Code Fast 1 or o4-mini (high)?

o4-mini (high) leads in reasoning with an average score of 79 vs 60.