GPT-5 mini vs Grok Code Fast 1

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

Quick Verdict

GPT-5 mini wins overall with a score of 68 vs 54 (14 point difference).GPT-5 mini wins 4 out of 4 categories.

Knowledge

GPT-5 mini

GPT-5 mini

85

Grok Code Fast 1

61.8

88
MMLU
64
86
GPQA
63
84
SuperGPQA
61
82
OpenBookQA
59

Coding

GPT-5 mini

GPT-5 mini

80

Grok Code Fast 1

60

80
HumanEval
60

Mathematics

GPT-5 mini

GPT-5 mini

89

Grok Code Fast 1

63

90
AIME 2023
64
92
AIME 2024
66
91
AIME 2025
65
86
HMMT Feb 2023
60
88
HMMT Feb 2024
62
87
HMMT Feb 2025
61
89
BRUMO 2025
63

Reasoning

GPT-5 mini

GPT-5 mini

83

Grok Code Fast 1

60

84
SimpleQA
61
82
MuSR
59

Frequently Asked Questions

Which is better, GPT-5 mini or Grok Code Fast 1?

GPT-5 mini scores higher overall with 68 vs 54, a difference of 14 points across all benchmarks.

Which is better for knowledge tasks, GPT-5 mini or Grok Code Fast 1?

GPT-5 mini leads in knowledge tasks with an average score of 85 vs 61.8.

Which is better for coding, GPT-5 mini or Grok Code Fast 1?

GPT-5 mini leads in coding with an average score of 80 vs 60.

Which is better for math, GPT-5 mini or Grok Code Fast 1?

GPT-5 mini leads in math with an average score of 89 vs 63.

Which is better for reasoning, GPT-5 mini or Grok Code Fast 1?

GPT-5 mini leads in reasoning with an average score of 83 vs 60.