Mistral Large 3 vs o3

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

Quick Verdict

o3 wins overall with a score of 67 vs 61 (6 point difference).o3 wins 4 out of 4 categories.

Knowledge

o3

Mistral Large 3

73.8

o3

85.3

76
MMLU
86
75
GPQA
87
73
SuperGPQA
85
71
OpenBookQA
83

Coding

o3

Mistral Large 3

68

o3

78

68
HumanEval
78

Mathematics

o3

Mistral Large 3

75

o3

87

76
AIME 2023
88
78
AIME 2024
90
77
AIME 2025
89
72
HMMT Feb 2023
84
74
HMMT Feb 2024
86
73
HMMT Feb 2025
85
75
BRUMO 2025
87

Reasoning

o3

Mistral Large 3

72

o3

83

73
SimpleQA
84
71
MuSR
82

Frequently Asked Questions

Which is better, Mistral Large 3 or o3?

o3 scores higher overall with 67 vs 61, a difference of 6 points across all benchmarks.

Which is better for knowledge tasks, Mistral Large 3 or o3?

o3 leads in knowledge tasks with an average score of 85.3 vs 73.8.

Which is better for coding, Mistral Large 3 or o3?

o3 leads in coding with an average score of 78 vs 68.

Which is better for math, Mistral Large 3 or o3?

o3 leads in math with an average score of 87 vs 75.

Which is better for reasoning, Mistral Large 3 or o3?

o3 leads in reasoning with an average score of 83 vs 72.