Llama 3.1 405B vs Mistral 8x7B v0.2

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 20 (38 point difference).Llama 3.1 405B wins 4 out of 4 categories.

Knowledge

Llama 3.1 405B

Llama 3.1 405B

68.5

Mistral 8x7B v0.2

26.8

70
MMLU
29
70
GPQA
28
68
SuperGPQA
26
66
OpenBookQA
24

Coding

Llama 3.1 405B

Llama 3.1 405B

62

Mistral 8x7B v0.2

21

62
HumanEval
21

Mathematics

Llama 3.1 405B

Llama 3.1 405B

69

Mistral 8x7B v0.2

28

70
AIME 2023
29
72
AIME 2024
31
71
AIME 2025
30
66
HMMT Feb 2023
25
68
HMMT Feb 2024
27
67
HMMT Feb 2025
26
69
BRUMO 2025
28

Reasoning

Llama 3.1 405B

Llama 3.1 405B

67

Mistral 8x7B v0.2

26

68
SimpleQA
27
66
MuSR
25

Frequently Asked Questions

Which is better, Llama 3.1 405B or Mistral 8x7B v0.2?

Llama 3.1 405B scores higher overall with 58 vs 20, a difference of 38 points across all benchmarks.

Which is better for knowledge tasks, Llama 3.1 405B or Mistral 8x7B v0.2?

Llama 3.1 405B leads in knowledge tasks with an average score of 68.5 vs 26.8.

Which is better for coding, Llama 3.1 405B or Mistral 8x7B v0.2?

Llama 3.1 405B leads in coding with an average score of 62 vs 21.

Which is better for math, Llama 3.1 405B or Mistral 8x7B v0.2?

Llama 3.1 405B leads in math with an average score of 69 vs 28.

Which is better for reasoning, Llama 3.1 405B or Mistral 8x7B v0.2?

Llama 3.1 405B leads in reasoning with an average score of 67 vs 26.