GPT-5 (high) vs Mistral Large 3

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

Quick Verdict

GPT-5 (high) wins overall with a score of 72 vs 61 (11 point difference).GPT-5 (high) wins 4 out of 4 categories.

Knowledge

GPT-5 (high)

GPT-5 (high)

90

Mistral Large 3

73.8

93
MMLU
76
91
GPQA
75
89
SuperGPQA
73
87
OpenBookQA
71

Coding

GPT-5 (high)

GPT-5 (high)

85

Mistral Large 3

68

85
HumanEval
68

Mathematics

GPT-5 (high)

GPT-5 (high)

94

Mistral Large 3

75

95
AIME 2023
76
97
AIME 2024
78
96
AIME 2025
77
91
HMMT Feb 2023
72
93
HMMT Feb 2024
74
92
HMMT Feb 2025
73
94
BRUMO 2025
75

Reasoning

GPT-5 (high)

GPT-5 (high)

88

Mistral Large 3

72

89
SimpleQA
73
87
MuSR
71

Frequently Asked Questions

Which is better, GPT-5 (high) or Mistral Large 3?

GPT-5 (high) scores higher overall with 72 vs 61, a difference of 11 points across all benchmarks.

Which is better for knowledge tasks, GPT-5 (high) or Mistral Large 3?

GPT-5 (high) leads in knowledge tasks with an average score of 90 vs 73.8.

Which is better for coding, GPT-5 (high) or Mistral Large 3?

GPT-5 (high) leads in coding with an average score of 85 vs 68.

Which is better for math, GPT-5 (high) or Mistral Large 3?

GPT-5 (high) leads in math with an average score of 94 vs 75.

Which is better for reasoning, GPT-5 (high) or Mistral Large 3?

GPT-5 (high) leads in reasoning with an average score of 88 vs 72.