GLM-5 vs GPT-4o mini

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

GLM-5 is clearly ahead on the aggregate, 74 to 43. The gap is large enough that you do not need to squint at the spreadsheet to see the difference.

GLM-5 gives you the larger context window at 200K, compared with 128K for GPT-4o mini.

Quick Verdict

Pick GLM-5 if you want the stronger benchmark profile. GPT-4o mini only becomes the better choice if coding is the priority.

Knowledge

GPT-4o mini

GLM-5

71.2

GPT-4o mini

82

88
MMLU
82
86
GPQA
-
84
SuperGPQA
-
82
OpenBookQA
-
74
MMLU-Pro
-
13
HLE
-

Coding

GPT-4o mini

GLM-5

53.7

GPT-4o mini

87.2

80
HumanEval
87.2
46
SWE-bench Verified
-
35
LiveCodeBench
-

Mathematics

GLM-5
88
AIME 2023
-
90
AIME 2024
-
89
AIME 2025
-
84
HMMT Feb 2023
-
86
HMMT Feb 2024
-
85
HMMT Feb 2025
-
87
BRUMO 2025
-
82
MATH-500
-

Reasoning

GLM-5
84
SimpleQA
-
82
MuSR
-
83
BBH
-

Instruction Following

GLM-5
85
IFEval
-

Multilingual

GPT-4o mini

GLM-5

84

GPT-4o mini

87

84
MGSM
87

Frequently Asked Questions

Which is better, GLM-5 or GPT-4o mini?

GLM-5 is ahead overall, 74 to 43. The biggest single separator in this matchup is HumanEval, where the scores are 80 and 87.2.

Which is better for knowledge tasks, GLM-5 or GPT-4o mini?

GPT-4o mini has the edge for knowledge tasks in this comparison, averaging 82 versus 71.2. Inside this category, MMLU is the benchmark that creates the most daylight between them.

Which is better for coding, GLM-5 or GPT-4o mini?

GPT-4o mini has the edge for coding in this comparison, averaging 87.2 versus 53.7. Inside this category, HumanEval is the benchmark that creates the most daylight between them.

Which is better for multilingual tasks, GLM-5 or GPT-4o mini?

GPT-4o mini has the edge for multilingual tasks in this comparison, averaging 87 versus 84. Inside this category, MGSM is the benchmark that creates the most daylight between them.

Last updated: March 9, 2026

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