benchlm.ai

GPT-5.1-Codex-Max vs Mistral 8x7B

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 52 (25 point difference).GPT-5.1-Codex-Max wins 4 out of 4 categories.

GPT-5.1-Codex-Max

CreatorOpenAI
TypeProprietary
Context400K
Score77

Mistral 8x7B

CreatorMistral
TypeOpen Weight
Context32K
Score52

Knowledge

GPT-5.1-Codex-Max

GPT-5.1-Codex-Max

95

Mistral 8x7B

62.8

98
MMLU
65
96
GPQA
64
94
SuperGPQA
62
92
OpenBookQA
60

Coding

GPT-5.1-Codex-Max

GPT-5.1-Codex-Max

94

Mistral 8x7B

55

94
HumanEval
55

Mathematics

GPT-5.1-Codex-Max

GPT-5.1-Codex-Max

97.1

Mistral 8x7B

64

99
AIME 2023
65
99
AIME 2024
67
98
AIME 2025
66
95
HMMT Feb 2023
61
97
HMMT Feb 2024
63
96
HMMT Feb 2025
62
96
BRUMO 2025
64

Reasoning

GPT-5.1-Codex-Max

GPT-5.1-Codex-Max

93

Mistral 8x7B

62

94
SimpleQA
63
92
MuSR
61

Frequently Asked Questions

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

GPT-5.1-Codex-Max scores higher overall with 77 vs 52, a difference of 25 points across all benchmarks.

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

GPT-5.1-Codex-Max leads in knowledge tasks with an average score of 95 vs 62.8.

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

GPT-5.1-Codex-Max leads in coding with an average score of 94 vs 55.

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

GPT-5.1-Codex-Max leads in math with an average score of 97.1 vs 64.

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

GPT-5.1-Codex-Max leads in reasoning with an average score of 93 vs 62.

Related Comparisons

GPT-5.1-Codex-Max vs GPT-5.4GPT-5.1-Codex-Max vs Gemini 3.1 ProGPT-5.1-Codex-Max vs Claude Opus 4.6GPT-5.1-Codex-Max vs GPT-5.3 CodexGPT-5.1-Codex-Max vs Grok 4.1GPT-5.1-Codex-Max vs GPT-5.2