GPT-5.1 vs Mistral Large 2

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

Quick Verdict

GPT-5.1 wins overall with a score of 76 vs 57 (19 point difference).GPT-5.1 wins 4 out of 4 categories.

Knowledge

GPT-5.1

GPT-5.1

94

Mistral Large 2

66.5

97
MMLU
68
95
GPQA
68
93
SuperGPQA
66
91
OpenBookQA
64

Coding

GPT-5.1

GPT-5.1

89

Mistral Large 2

60

89
HumanEval
60

Mathematics

GPT-5.1

GPT-5.1

97.1

Mistral Large 2

67

99
AIME 2023
68
99
AIME 2024
70
98
AIME 2025
69
95
HMMT Feb 2023
64
97
HMMT Feb 2024
66
96
HMMT Feb 2025
65
96
BRUMO 2025
67

Reasoning

GPT-5.1

GPT-5.1

92

Mistral Large 2

65

93
SimpleQA
66
91
MuSR
64

Frequently Asked Questions

Which is better, GPT-5.1 or Mistral Large 2?

GPT-5.1 scores higher overall with 76 vs 57, a difference of 19 points across all benchmarks.

Which is better for knowledge tasks, GPT-5.1 or Mistral Large 2?

GPT-5.1 leads in knowledge tasks with an average score of 94 vs 66.5.

Which is better for coding, GPT-5.1 or Mistral Large 2?

GPT-5.1 leads in coding with an average score of 89 vs 60.

Which is better for math, GPT-5.1 or Mistral Large 2?

GPT-5.1 leads in math with an average score of 97.1 vs 67.

Which is better for reasoning, GPT-5.1 or Mistral Large 2?

GPT-5.1 leads in reasoning with an average score of 92 vs 65.