Grok Code Fast 1 vs o1-preview

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

Quick Verdict

o1-preview wins overall with a score of 71 vs 54 (17 point difference).o1-preview wins 4 out of 4 categories.

Knowledge

o1-preview

Grok Code Fast 1

61.8

o1-preview

89

64
MMLU
92
63
GPQA
90
61
SuperGPQA
88
59
OpenBookQA
86

Coding

o1-preview

Grok Code Fast 1

60

o1-preview

86

60
HumanEval
86

Mathematics

o1-preview

Grok Code Fast 1

63

o1-preview

93

64
AIME 2023
94
66
AIME 2024
96
65
AIME 2025
95
60
HMMT Feb 2023
90
62
HMMT Feb 2024
92
61
HMMT Feb 2025
91
63
BRUMO 2025
93

Reasoning

o1-preview

Grok Code Fast 1

60

o1-preview

87

61
SimpleQA
88
59
MuSR
86

Frequently Asked Questions

Which is better, Grok Code Fast 1 or o1-preview?

o1-preview scores higher overall with 71 vs 54, a difference of 17 points across all benchmarks.

Which is better for knowledge tasks, Grok Code Fast 1 or o1-preview?

o1-preview leads in knowledge tasks with an average score of 89 vs 61.8.

Which is better for coding, Grok Code Fast 1 or o1-preview?

o1-preview leads in coding with an average score of 86 vs 60.

Which is better for math, Grok Code Fast 1 or o1-preview?

o1-preview leads in math with an average score of 93 vs 63.

Which is better for reasoning, Grok Code Fast 1 or o1-preview?

o1-preview leads in reasoning with an average score of 87 vs 60.