Grok Code Fast 1 vs Llama 3.1 405B

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

Quick Verdict

Llama 3.1 405B wins overall with a score of 58 vs 54 (4 point difference).Llama 3.1 405B wins 4 out of 4 categories.

Knowledge

Llama 3.1 405B

Grok Code Fast 1

61.8

Llama 3.1 405B

68.5

64
MMLU
70
63
GPQA
70
61
SuperGPQA
68
59
OpenBookQA
66

Coding

Llama 3.1 405B

Grok Code Fast 1

60

Llama 3.1 405B

62

60
HumanEval
62

Mathematics

Llama 3.1 405B

Grok Code Fast 1

63

Llama 3.1 405B

69

64
AIME 2023
70
66
AIME 2024
72
65
AIME 2025
71
60
HMMT Feb 2023
66
62
HMMT Feb 2024
68
61
HMMT Feb 2025
67
63
BRUMO 2025
69

Reasoning

Llama 3.1 405B

Grok Code Fast 1

60

Llama 3.1 405B

67

61
SimpleQA
68
59
MuSR
66

Frequently Asked Questions

Which is better, Grok Code Fast 1 or Llama 3.1 405B?

Llama 3.1 405B scores higher overall with 58 vs 54, a difference of 4 points across all benchmarks.

Which is better for knowledge tasks, Grok Code Fast 1 or Llama 3.1 405B?

Llama 3.1 405B leads in knowledge tasks with an average score of 68.5 vs 61.8.

Which is better for coding, Grok Code Fast 1 or Llama 3.1 405B?

Llama 3.1 405B leads in coding with an average score of 62 vs 60.

Which is better for math, Grok Code Fast 1 or Llama 3.1 405B?

Llama 3.1 405B leads in math with an average score of 69 vs 63.

Which is better for reasoning, Grok Code Fast 1 or Llama 3.1 405B?

Llama 3.1 405B leads in reasoning with an average score of 67 vs 60.