Grok 4.1 Fast vs Llama 3 70B

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 48 (25 point difference).Grok 4.1 Fast wins 4 out of 4 categories.

Knowledge

Grok 4.1 Fast

Grok 4.1 Fast

91

Llama 3 70B

56.5

94
MMLU
58
92
GPQA
58
90
SuperGPQA
56
88
OpenBookQA
54

Coding

Grok 4.1 Fast

Grok 4.1 Fast

86

Llama 3 70B

50

86
HumanEval
50

Mathematics

Grok 4.1 Fast

Grok 4.1 Fast

95

Llama 3 70B

57

96
AIME 2023
58
98
AIME 2024
60
97
AIME 2025
59
92
HMMT Feb 2023
54
94
HMMT Feb 2024
56
93
HMMT Feb 2025
55
95
BRUMO 2025
57

Reasoning

Grok 4.1 Fast

Grok 4.1 Fast

89

Llama 3 70B

55

90
SimpleQA
56
88
MuSR
54

Frequently Asked Questions

Which is better, Grok 4.1 Fast or Llama 3 70B?

Grok 4.1 Fast scores higher overall with 73 vs 48, a difference of 25 points across all benchmarks.

Which is better for knowledge tasks, Grok 4.1 Fast or Llama 3 70B?

Grok 4.1 Fast leads in knowledge tasks with an average score of 91 vs 56.5.

Which is better for coding, Grok 4.1 Fast or Llama 3 70B?

Grok 4.1 Fast leads in coding with an average score of 86 vs 50.

Which is better for math, Grok 4.1 Fast or Llama 3 70B?

Grok 4.1 Fast leads in math with an average score of 95 vs 57.

Which is better for reasoning, Grok 4.1 Fast or Llama 3 70B?

Grok 4.1 Fast leads in reasoning with an average score of 89 vs 55.