benchlm.ai

GPT-5.1-Codex-Max vs Moonshot v1

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 44 (33 point difference).GPT-5.1-Codex-Max wins 4 out of 4 categories.

GPT-5.1-Codex-Max

CreatorOpenAI
TypeProprietary
Context400K
Score77

Moonshot v1

CreatorMoonshot AI
TypeProprietary
Context128K
Score44

Knowledge

GPT-5.1-Codex-Max

GPT-5.1-Codex-Max

95

Moonshot v1

50.8

98
MMLU
53
96
GPQA
52
94
SuperGPQA
50
92
OpenBookQA
48

Coding

GPT-5.1-Codex-Max

GPT-5.1-Codex-Max

94

Moonshot v1

45

94
HumanEval
45

Mathematics

GPT-5.1-Codex-Max

GPT-5.1-Codex-Max

97.1

Moonshot v1

52

99
AIME 2023
53
99
AIME 2024
55
98
AIME 2025
54
95
HMMT Feb 2023
49
97
HMMT Feb 2024
51
96
HMMT Feb 2025
50
96
BRUMO 2025
52

Reasoning

GPT-5.1-Codex-Max

GPT-5.1-Codex-Max

93

Moonshot v1

50

94
SimpleQA
51
92
MuSR
49

Frequently Asked Questions

Which is better, GPT-5.1-Codex-Max or Moonshot v1?

GPT-5.1-Codex-Max scores higher overall with 77 vs 44, a difference of 33 points across all benchmarks.

Which is better for knowledge tasks, GPT-5.1-Codex-Max or Moonshot v1?

GPT-5.1-Codex-Max leads in knowledge tasks with an average score of 95 vs 50.8.

Which is better for coding, GPT-5.1-Codex-Max or Moonshot v1?

GPT-5.1-Codex-Max leads in coding with an average score of 94 vs 45.

Which is better for math, GPT-5.1-Codex-Max or Moonshot v1?

GPT-5.1-Codex-Max leads in math with an average score of 97.1 vs 52.

Which is better for reasoning, GPT-5.1-Codex-Max or Moonshot v1?

GPT-5.1-Codex-Max leads in reasoning with an average score of 93 vs 50.

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