benchlm.ai

GPT-5.1-Codex-Max vs Mistral 8x7B v0.2

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 20 (57 point difference).GPT-5.1-Codex-Max wins 4 out of 4 categories.

GPT-5.1-Codex-Max

CreatorOpenAI
TypeProprietary
Context400K
Score77

Mistral 8x7B v0.2

CreatorMistral
TypeOpen Weight
Context32K
Score20

Knowledge

GPT-5.1-Codex-Max

GPT-5.1-Codex-Max

95

Mistral 8x7B v0.2

26.8

98
MMLU
29
96
GPQA
28
94
SuperGPQA
26
92
OpenBookQA
24

Coding

GPT-5.1-Codex-Max

GPT-5.1-Codex-Max

94

Mistral 8x7B v0.2

21

94
HumanEval
21

Mathematics

GPT-5.1-Codex-Max

GPT-5.1-Codex-Max

97.1

Mistral 8x7B v0.2

28

99
AIME 2023
29
99
AIME 2024
31
98
AIME 2025
30
95
HMMT Feb 2023
25
97
HMMT Feb 2024
27
96
HMMT Feb 2025
26
96
BRUMO 2025
28

Reasoning

GPT-5.1-Codex-Max

GPT-5.1-Codex-Max

93

Mistral 8x7B v0.2

26

94
SimpleQA
27
92
MuSR
25

Frequently Asked Questions

Which is better, GPT-5.1-Codex-Max or Mistral 8x7B v0.2?

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

Which is better for knowledge tasks, GPT-5.1-Codex-Max or Mistral 8x7B v0.2?

GPT-5.1-Codex-Max leads in knowledge tasks with an average score of 95 vs 26.8.

Which is better for coding, GPT-5.1-Codex-Max or Mistral 8x7B v0.2?

GPT-5.1-Codex-Max leads in coding with an average score of 94 vs 21.

Which is better for math, GPT-5.1-Codex-Max or Mistral 8x7B v0.2?

GPT-5.1-Codex-Max leads in math with an average score of 97.1 vs 28.

Which is better for reasoning, GPT-5.1-Codex-Max or Mistral 8x7B v0.2?

GPT-5.1-Codex-Max leads in reasoning with an average score of 93 vs 26.

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