Grok 4.1 Fast vs Llama 4 Behemoth

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 39 (34 point difference).Grok 4.1 Fast wins 4 out of 4 categories.

Knowledge

Grok 4.1 Fast

Grok 4.1 Fast

91

Llama 4 Behemoth

45.8

94
MMLU
48
92
GPQA
47
90
SuperGPQA
45
88
OpenBookQA
43

Coding

Grok 4.1 Fast

Grok 4.1 Fast

86

Llama 4 Behemoth

40

86
HumanEval
40

Mathematics

Grok 4.1 Fast

Grok 4.1 Fast

95

Llama 4 Behemoth

47

96
AIME 2023
48
98
AIME 2024
50
97
AIME 2025
49
92
HMMT Feb 2023
44
94
HMMT Feb 2024
46
93
HMMT Feb 2025
45
95
BRUMO 2025
47

Reasoning

Grok 4.1 Fast

Grok 4.1 Fast

89

Llama 4 Behemoth

45

90
SimpleQA
46
88
MuSR
44

Frequently Asked Questions

Which is better, Grok 4.1 Fast or Llama 4 Behemoth?

Grok 4.1 Fast scores higher overall with 73 vs 39, a difference of 34 points across all benchmarks.

Which is better for knowledge tasks, Grok 4.1 Fast or Llama 4 Behemoth?

Grok 4.1 Fast leads in knowledge tasks with an average score of 91 vs 45.8.

Which is better for coding, Grok 4.1 Fast or Llama 4 Behemoth?

Grok 4.1 Fast leads in coding with an average score of 86 vs 40.

Which is better for math, Grok 4.1 Fast or Llama 4 Behemoth?

Grok 4.1 Fast leads in math with an average score of 95 vs 47.

Which is better for reasoning, Grok 4.1 Fast or Llama 4 Behemoth?

Grok 4.1 Fast leads in reasoning with an average score of 89 vs 45.