Llama 3.1 405B vs Mistral 8x7B

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 52 (6 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

62.8

70
MMLU
65
70
GPQA
64
68
SuperGPQA
62
66
OpenBookQA
60

Coding

Llama 3.1 405B

Llama 3.1 405B

62

Mistral 8x7B

55

62
HumanEval
55

Mathematics

Llama 3.1 405B

Llama 3.1 405B

69

Mistral 8x7B

64

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

Reasoning

Llama 3.1 405B

Llama 3.1 405B

67

Mistral 8x7B

62

68
SimpleQA
63
66
MuSR
61

Frequently Asked Questions

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

Llama 3.1 405B scores higher overall with 58 vs 52, a difference of 6 points across all benchmarks.

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

Llama 3.1 405B leads in knowledge tasks with an average score of 68.5 vs 62.8.

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

Llama 3.1 405B leads in coding with an average score of 62 vs 55.

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

Llama 3.1 405B leads in math with an average score of 69 vs 64.

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

Llama 3.1 405B leads in reasoning with an average score of 67 vs 62.