benchlm.ai

GPT-5 mini vs Grok 4.1 Fast

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

Quick Verdict

Grok 4.1 Fast wins overall with a score of 73 vs 68 (5 point difference).Grok 4.1 Fast wins 4 out of 4 categories.

GPT-5 mini

CreatorOpenAI
TypeProprietary
Context128K
Score68

Grok 4.1 Fast

CreatorxAI
TypeProprietary
Context2M
Score73

Knowledge

Grok 4.1 Fast

GPT-5 mini

85

Grok 4.1 Fast

91

88
MMLU
94
86
GPQA
92
84
SuperGPQA
90
82
OpenBookQA
88

Coding

Grok 4.1 Fast

GPT-5 mini

80

Grok 4.1 Fast

86

80
HumanEval
86

Mathematics

Grok 4.1 Fast

GPT-5 mini

89

Grok 4.1 Fast

95

90
AIME 2023
96
92
AIME 2024
98
91
AIME 2025
97
86
HMMT Feb 2023
92
88
HMMT Feb 2024
94
87
HMMT Feb 2025
93
89
BRUMO 2025
95

Reasoning

Grok 4.1 Fast

GPT-5 mini

83

Grok 4.1 Fast

89

84
SimpleQA
90
82
MuSR
88

Frequently Asked Questions

Which is better, GPT-5 mini or Grok 4.1 Fast?

Grok 4.1 Fast scores higher overall with 73 vs 68, a difference of 5 points across all benchmarks.

Which is better for knowledge tasks, GPT-5 mini or Grok 4.1 Fast?

Grok 4.1 Fast leads in knowledge tasks with an average score of 91 vs 85.

Which is better for coding, GPT-5 mini or Grok 4.1 Fast?

Grok 4.1 Fast leads in coding with an average score of 86 vs 80.

Which is better for math, GPT-5 mini or Grok 4.1 Fast?

Grok 4.1 Fast leads in math with an average score of 95 vs 89.

Which is better for reasoning, GPT-5 mini or Grok 4.1 Fast?

Grok 4.1 Fast leads in reasoning with an average score of 89 vs 83.

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