Noometry

Model comparison

GLM-4.5-Air vs GLM-5V-Turbo

GLM-5V-Turbo is the stronger model overall, scoring 43.8 to 38.9 on the Noometry Index. GLM-4.5-Air costs 4.5× less per token, which makes it the better buy when GLM-5V-Turbo's lead doesn't matter for your workload.

Last verified . 16 shared benchmarks.

GLM-4.5-Air Z.ai (Zhipu)

38.9

Rank #177 Confirmed

GLM-5V-Turbo Z.ai (Zhipu)

43.8

Rank #84 Confirmed

Summary

  • They share 16 benchmarks with published results for both. GLM-4.5-Air scores higher in 0 categories and GLM-5V-Turbo in 8 categories; 8 gaps are clear of the uncertainty.
  • The widest gap is in coding, where GLM-5V-Turbo leads 42.1 to 33.3.
  • GLM-4.5-Air is cheaper at $0.20 / $1.10 per million input/output tokens, against $1.20 / $4 for GLM-5V-Turbo.
  • GLM-5V-Turbo accepts more context: 200K tokens versus 131K.
  • GLM-4.5-Air has downloadable open weights; the other is API-only.

Side by side

GLM-4.5-AirGLM-5V-Turbo
ProviderZ.ai (Zhipu)Z.ai (Zhipu)
Noometry Index38.943.8
Released2025-07-202026-04-01
WeightsOpenProprietary
Context window131K200K
Max output98K131K
Input $ / M tokens$0.20$1.20
Output $ / M tokens$1.10$4
Results tracked2719

Sponsored placements are available on pages like this one. Advertise on Noometry

Category by category

Coding GLM-5V-Turbo leads

GLM-4.5-Air: 33.3 (#259), GLM-5V-Turbo: 42.1 (#111)

BenchmarkGLM-4.5-AirGLM-5V-Turbo
LMArena Coding13971466
LMArena WebDev—1401
GSO2.9%—

Reasoning GLM-5V-Turbo leads

GLM-4.5-Air: 24.1 (#166), GLM-5V-Turbo: 29.7 (#89)

BenchmarkGLM-4.5-AirGLM-5V-Turbo
LMArena Hard Prompts13791443
Kagi LLM Benchmark43%—
ForecastBench59.2—

Math GLM-5V-Turbo leads

GLM-4.5-Air: 36.2 (#170), GLM-5V-Turbo: 39.4 (#106)

BenchmarkGLM-4.5-AirGLM-5V-Turbo
LMArena Math13961441
Omni-MATH39.1%—

Knowledge GLM-5V-Turbo leads

GLM-4.5-Air: 35.0 (#191), GLM-5V-Turbo: 40.6 (#117)

BenchmarkGLM-4.5-AirGLM-5V-Turbo
LMArena Expert13701452
Humanity's Last Exam8.1%—
MMLU-Pro76.2%—
Vectara Hallucination Rate9.3%—
GPQA (HELM)59.4%—

Multimodal Not comparable

GLM-4.5-Air: —, GLM-5V-Turbo: 40.9 (#42)

BenchmarkGLM-4.5-AirGLM-5V-Turbo
LMArena Vision—1264
LMArena Document—1416

Multilingual GLM-5V-Turbo leads

GLM-4.5-Air: 49.1 (#135), GLM-5V-Turbo: 53.0 (#73)

BenchmarkGLM-4.5-AirGLM-5V-Turbo
LMArena Non-English13661420
LMArena Chinese14261488
LMArena French13991444
LMArena German13771423
LMArena Korean13081396
LMArena Russian13731431
LMArena Spanish13861450
LMArena Japanese1348—

Instruction Following GLM-5V-Turbo leads

GLM-4.5-Air: 69.6 (#171), GLM-5V-Turbo: 75.0 (#80)

BenchmarkGLM-4.5-AirGLM-5V-Turbo
LMArena Instruction Following13541423
IFEval81.2%—

Long Context GLM-5V-Turbo leads

GLM-4.5-Air: 41.6 (#135), GLM-5V-Turbo: 44.0 (#80)

BenchmarkGLM-4.5-AirGLM-5V-Turbo
LMArena Longer Query13661438

Writing & Preference GLM-5V-Turbo leads

GLM-4.5-Air: 55.9 (#139), GLM-5V-Turbo: 62.5 (#73)

BenchmarkGLM-4.5-AirGLM-5V-Turbo
LMArena Text13841437
LMArena Creative Writing13431416
LMArena Multi-Turn13711432
WildBench78.9%—

Frequently asked questions

Is GLM-4.5-Air better than GLM-5V-Turbo?

GLM-5V-Turbo is the stronger model overall, scoring 43.8 to 38.9 on the Noometry Index. GLM-4.5-Air costs 4.5× less per token, which makes it the better buy when GLM-5V-Turbo's lead doesn't matter for your workload.

Which is cheaper, GLM-4.5-Air or GLM-5V-Turbo?

GLM-4.5-Air is cheaper. It lists at $0.20 per million input tokens and $1.10 per million output tokens; GLM-5V-Turbo lists at $1.20 and $4.

Is GLM-4.5-Air or GLM-5V-Turbo better for coding?

GLM-5V-Turbo scores higher on coding benchmarks: 42.1 versus 33.3 in the Noometry coding category.

Which has the bigger context window?

GLM-5V-Turbo does, with 200K tokens against 131K.

How many benchmarks do GLM-4.5-Air and GLM-5V-Turbo share?

16 benchmarks have published results for both models. GLM-4.5-Air has 27 scored results on Noometry and GLM-5V-Turbo has 19.

Related comparisons

Go deeper