benchlm.ai

Grok 4.1 vs Grok 4.1 Fast

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

Quick Verdict

Grok 4.1 wins overall with a score of 84 vs 73 (11 point difference).Grok 4.1 wins 4 out of 4 categories.

Grok 4.1

CreatorxAI
TypeProprietary
Context128K
Score84

Grok 4.1 Fast

CreatorxAI
TypeProprietary
Context2M
Score73

Knowledge

Grok 4.1

Grok 4.1

96

Grok 4.1 Fast

91

99
MMLU
94
97
GPQA
92
95
SuperGPQA
90
93
OpenBookQA
88

Coding

Grok 4.1

Grok 4.1

91

Grok 4.1 Fast

86

91
HumanEval
86

Mathematics

Grok 4.1

Grok 4.1

97.1

Grok 4.1 Fast

95

99
AIME 2023
96
99
AIME 2024
98
98
AIME 2025
97
95
HMMT Feb 2023
92
97
HMMT Feb 2024
94
96
HMMT Feb 2025
93
96
BRUMO 2025
95

Reasoning

Grok 4.1

Grok 4.1

94

Grok 4.1 Fast

89

95
SimpleQA
90
93
MuSR
88

Frequently Asked Questions

Which is better, Grok 4.1 or Grok 4.1 Fast?

Grok 4.1 scores higher overall with 84 vs 73, a difference of 11 points across all benchmarks.

Which is better for knowledge tasks, Grok 4.1 or Grok 4.1 Fast?

Grok 4.1 leads in knowledge tasks with an average score of 96 vs 91.

Which is better for coding, Grok 4.1 or Grok 4.1 Fast?

Grok 4.1 leads in coding with an average score of 91 vs 86.

Which is better for math, Grok 4.1 or Grok 4.1 Fast?

Grok 4.1 leads in math with an average score of 97.1 vs 95.

Which is better for reasoning, Grok 4.1 or Grok 4.1 Fast?

Grok 4.1 leads in reasoning with an average score of 94 vs 89.

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