benchlm.ai

GLM-4.7-Flash vs GPT-5.1-Codex-Max

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 56 (21 point difference).GPT-5.1-Codex-Max wins 4 out of 4 categories.

GLM-4.7-Flash

CreatorZhipu AI
TypeOpen Weight
Context200K
Score56

GPT-5.1-Codex-Max

CreatorOpenAI
TypeProprietary
Context400K
Score77

Knowledge

GPT-5.1-Codex-Max

GLM-4.7-Flash

63.8

GPT-5.1-Codex-Max

95

66
MMLU
98
65
GPQA
96
63
SuperGPQA
94
61
OpenBookQA
92

Coding

GPT-5.1-Codex-Max

GLM-4.7-Flash

58

GPT-5.1-Codex-Max

94

58
HumanEval
94

Mathematics

GPT-5.1-Codex-Max

GLM-4.7-Flash

65

GPT-5.1-Codex-Max

97.1

66
AIME 2023
99
68
AIME 2024
99
67
AIME 2025
98
62
HMMT Feb 2023
95
64
HMMT Feb 2024
97
63
HMMT Feb 2025
96
65
BRUMO 2025
96

Reasoning

GPT-5.1-Codex-Max

GLM-4.7-Flash

62

GPT-5.1-Codex-Max

93

63
SimpleQA
94
61
MuSR
92

Frequently Asked Questions

Which is better, GLM-4.7-Flash or GPT-5.1-Codex-Max?

GPT-5.1-Codex-Max scores higher overall with 77 vs 56, a difference of 21 points across all benchmarks.

Which is better for knowledge tasks, GLM-4.7-Flash or GPT-5.1-Codex-Max?

GPT-5.1-Codex-Max leads in knowledge tasks with an average score of 95 vs 63.8.

Which is better for coding, GLM-4.7-Flash or GPT-5.1-Codex-Max?

GPT-5.1-Codex-Max leads in coding with an average score of 94 vs 58.

Which is better for math, GLM-4.7-Flash or GPT-5.1-Codex-Max?

GPT-5.1-Codex-Max leads in math with an average score of 97.1 vs 65.

Which is better for reasoning, GLM-4.7-Flash or GPT-5.1-Codex-Max?

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

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