benchlm.ai

Claude 4.1 Opus Thinking vs GLM-4.5-Air

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

Quick Verdict

Claude 4.1 Opus Thinking wins overall with a score of 29 vs 26 (3 point difference).Claude 4.1 Opus Thinking wins 4 out of 4 categories.

Claude 4.1 Opus Thinking

CreatorAnthropic
TypeProprietary
Context200K
Score29

GLM-4.5-Air

CreatorTsinghua
TypeProprietary
Context128K
Score26

Knowledge

Claude 4.1 Opus Thinking

Claude 4.1 Opus Thinking

35.8

GLM-4.5-Air

32.8

38
MMLU
35
37
GPQA
34
35
SuperGPQA
32
33
OpenBookQA
30

Coding

Claude 4.1 Opus Thinking

Claude 4.1 Opus Thinking

30

GLM-4.5-Air

27

30
HumanEval
27

Mathematics

Claude 4.1 Opus Thinking

Claude 4.1 Opus Thinking

37

GLM-4.5-Air

34

38
AIME 2023
35
40
AIME 2024
37
39
AIME 2025
36
34
HMMT Feb 2023
31
36
HMMT Feb 2024
33
35
HMMT Feb 2025
32
37
BRUMO 2025
34

Reasoning

Claude 4.1 Opus Thinking

Claude 4.1 Opus Thinking

35

GLM-4.5-Air

32

36
SimpleQA
33
34
MuSR
31

Frequently Asked Questions

Which is better, Claude 4.1 Opus Thinking or GLM-4.5-Air?

Claude 4.1 Opus Thinking scores higher overall with 29 vs 26, a difference of 3 points across all benchmarks.

Which is better for knowledge tasks, Claude 4.1 Opus Thinking or GLM-4.5-Air?

Claude 4.1 Opus Thinking leads in knowledge tasks with an average score of 35.8 vs 32.8.

Which is better for coding, Claude 4.1 Opus Thinking or GLM-4.5-Air?

Claude 4.1 Opus Thinking leads in coding with an average score of 30 vs 27.

Which is better for math, Claude 4.1 Opus Thinking or GLM-4.5-Air?

Claude 4.1 Opus Thinking leads in math with an average score of 37 vs 34.

Which is better for reasoning, Claude 4.1 Opus Thinking or GLM-4.5-Air?

Claude 4.1 Opus Thinking leads in reasoning with an average score of 35 vs 32.

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