benchlm.ai

GLM-4.5-Air vs Nemotron Ultra 253B

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

Quick Verdict

Nemotron Ultra 253B wins overall with a score of 40 vs 26 (14 point difference).Nemotron Ultra 253B wins 4 out of 4 categories.

GLM-4.5-Air

CreatorTsinghua
TypeProprietary
Context128K
Score26

Nemotron Ultra 253B

CreatorNVIDIA
TypeOpen Weight
Context32K
Score40

Knowledge

Nemotron Ultra 253B

GLM-4.5-Air

32.8

Nemotron Ultra 253B

46.8

35
MMLU
49
34
GPQA
48
32
SuperGPQA
46
30
OpenBookQA
44

Coding

Nemotron Ultra 253B

GLM-4.5-Air

27

Nemotron Ultra 253B

41

27
HumanEval
41

Mathematics

Nemotron Ultra 253B

GLM-4.5-Air

34

Nemotron Ultra 253B

48

35
AIME 2023
49
37
AIME 2024
51
36
AIME 2025
50
31
HMMT Feb 2023
45
33
HMMT Feb 2024
47
32
HMMT Feb 2025
46
34
BRUMO 2025
48

Reasoning

Nemotron Ultra 253B

GLM-4.5-Air

32

Nemotron Ultra 253B

46

33
SimpleQA
47
31
MuSR
45

Frequently Asked Questions

Which is better, GLM-4.5-Air or Nemotron Ultra 253B?

Nemotron Ultra 253B scores higher overall with 40 vs 26, a difference of 14 points across all benchmarks.

Which is better for knowledge tasks, GLM-4.5-Air or Nemotron Ultra 253B?

Nemotron Ultra 253B leads in knowledge tasks with an average score of 46.8 vs 32.8.

Which is better for coding, GLM-4.5-Air or Nemotron Ultra 253B?

Nemotron Ultra 253B leads in coding with an average score of 41 vs 27.

Which is better for math, GLM-4.5-Air or Nemotron Ultra 253B?

Nemotron Ultra 253B leads in math with an average score of 48 vs 34.

Which is better for reasoning, GLM-4.5-Air or Nemotron Ultra 253B?

Nemotron Ultra 253B leads in reasoning with an average score of 46 vs 32.

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