benchlm.ai

GPT-5.1-Codex-Max vs Mistral Large 2

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

Quick Verdict

GPT-5.1-Codex-Max wins overall with a score of 77 vs 57 (20 point difference).GPT-5.1-Codex-Max wins 4 out of 4 categories.

GPT-5.1-Codex-Max

CreatorOpenAI
TypeProprietary
Context400K
Score77

Mistral Large 2

CreatorMistral
TypeProprietary
Context128K
Score57

Knowledge

GPT-5.1-Codex-Max

GPT-5.1-Codex-Max

95

Mistral Large 2

66.5

98
MMLU
68
96
GPQA
68
94
SuperGPQA
66
92
OpenBookQA
64

Coding

GPT-5.1-Codex-Max

GPT-5.1-Codex-Max

94

Mistral Large 2

60

94
HumanEval
60

Mathematics

GPT-5.1-Codex-Max

GPT-5.1-Codex-Max

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-Codex-Max

GPT-5.1-Codex-Max

93

Mistral Large 2

65

94
SimpleQA
66
92
MuSR
64

Frequently Asked Questions

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

GPT-5.1-Codex-Max scores higher overall with 77 vs 57, a difference of 20 points across all benchmarks.

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

GPT-5.1-Codex-Max leads in knowledge tasks with an average score of 95 vs 66.5.

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

GPT-5.1-Codex-Max leads in coding with an average score of 94 vs 60.

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

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

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

GPT-5.1-Codex-Max leads in reasoning with an average score of 93 vs 65.

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