Llama 3.1 405B vs Mistral Large 3

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

Quick Verdict

Mistral Large 3 wins overall with a score of 61 vs 58 (3 point difference).Mistral Large 3 wins 4 out of 4 categories.

Knowledge

Mistral Large 3

Llama 3.1 405B

68.5

Mistral Large 3

73.8

70
MMLU
76
70
GPQA
75
68
SuperGPQA
73
66
OpenBookQA
71

Coding

Mistral Large 3

Llama 3.1 405B

62

Mistral Large 3

68

62
HumanEval
68

Mathematics

Mistral Large 3

Llama 3.1 405B

69

Mistral Large 3

75

70
AIME 2023
76
72
AIME 2024
78
71
AIME 2025
77
66
HMMT Feb 2023
72
68
HMMT Feb 2024
74
67
HMMT Feb 2025
73
69
BRUMO 2025
75

Reasoning

Mistral Large 3

Llama 3.1 405B

67

Mistral Large 3

72

68
SimpleQA
73
66
MuSR
71

Frequently Asked Questions

Which is better, Llama 3.1 405B or Mistral Large 3?

Mistral Large 3 scores higher overall with 61 vs 58, a difference of 3 points across all benchmarks.

Which is better for knowledge tasks, Llama 3.1 405B or Mistral Large 3?

Mistral Large 3 leads in knowledge tasks with an average score of 73.8 vs 68.5.

Which is better for coding, Llama 3.1 405B or Mistral Large 3?

Mistral Large 3 leads in coding with an average score of 68 vs 62.

Which is better for math, Llama 3.1 405B or Mistral Large 3?

Mistral Large 3 leads in math with an average score of 75 vs 69.

Which is better for reasoning, Llama 3.1 405B or Mistral Large 3?

Mistral Large 3 leads in reasoning with an average score of 72 vs 67.