Model comparison

GLM-4.5-Air vs Phi 3 Medium 4k Instruct

GLM-4.5-Air is the stronger model overall, scoring 38.9 to 33.0 on the Noometry Index.

Last verified . 17 shared benchmarks.

GLM-4.5-Air Z.ai (Zhipu)

38.9

Rank #177 Confirmed

Phi 3 Medium 4k Instruct Microsoft

33.0

Rank #250 Confirmed

Summary

  • They share 17 benchmarks with published results for both. GLM-4.5-Air scores higher in 8 categories and Phi 3 Medium 4k Instruct in 0 categories; 7 gaps are clear of the uncertainty.
  • The widest gap is in writing & preference, where GLM-4.5-Air leads 55.9 to 34.1.

Side by side

GLM-4.5-Air and Phi 3 Medium 4k Instruct specifications
GLM-4.5-AirPhi 3 Medium 4k Instruct
ProviderZ.ai (Zhipu)Microsoft
Noometry Index38.933.0
Released2025-07-20—
WeightsOpenOpen
Context window131K—
Max output98K—
Input $ / M tokens$0.20—
Output $ / M tokens$1.10—
Results tracked2717

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Category by category

Coding Too close to call

GLM-4.5-Air: 33.3 (#259), Phi 3 Medium 4k Instruct: 32.9 (#268)

Coding benchmarks
BenchmarkGLM-4.5-AirPhi 3 Medium 4k Instruct
LMArena Coding13971130
GSO2.9%—

Reasoning GLM-4.5-Air leads

GLM-4.5-Air: 24.1 (#166), Phi 3 Medium 4k Instruct: 21.7 (#214)

Reasoning benchmarks
BenchmarkGLM-4.5-AirPhi 3 Medium 4k Instruct
LMArena Hard Prompts13791127
Kagi LLM Benchmark43%—
ForecastBench59.2—

Math GLM-4.5-Air leads

GLM-4.5-Air: 36.2 (#170), Phi 3 Medium 4k Instruct: 33.4 (#202)

Math benchmarks
BenchmarkGLM-4.5-AirPhi 3 Medium 4k Instruct
LMArena Math13961173
Omni-MATH39.1%—

Knowledge GLM-4.5-Air leads

GLM-4.5-Air: 35.0 (#191), Phi 3 Medium 4k Instruct: 30.2 (#229)

Knowledge benchmarks
BenchmarkGLM-4.5-AirPhi 3 Medium 4k Instruct
LMArena Expert13701108
Humanity's Last Exam8.1%—
MMLU-Pro76.2%—
Vectara Hallucination Rate9.3%—
GPQA (HELM)59.4%—

Multilingual GLM-4.5-Air leads

GLM-4.5-Air: 49.1 (#135), Phi 3 Medium 4k Instruct: 30.6 (#263)

Multilingual benchmarks
BenchmarkGLM-4.5-AirPhi 3 Medium 4k Instruct
LMArena Non-English13661094
LMArena Chinese14261108
LMArena French13991110
LMArena German13771101
LMArena Japanese13481042
LMArena Korean1308954
LMArena Russian13731145
LMArena Spanish13861095

Instruction Following GLM-4.5-Air leads

GLM-4.5-Air: 69.6 (#171), Phi 3 Medium 4k Instruct: 57.6 (#268)

Instruction Following benchmarks
BenchmarkGLM-4.5-AirPhi 3 Medium 4k Instruct
LMArena Instruction Following13541113
IFEval81.2%—

Long Context GLM-4.5-Air leads

GLM-4.5-Air: 41.6 (#135), Phi 3 Medium 4k Instruct: 34.0 (#255)

Long Context benchmarks
BenchmarkGLM-4.5-AirPhi 3 Medium 4k Instruct
LMArena Longer Query13661120

Writing & Preference GLM-4.5-Air leads

GLM-4.5-Air: 55.9 (#139), Phi 3 Medium 4k Instruct: 34.1 (#272)

Writing & Preference benchmarks
BenchmarkGLM-4.5-AirPhi 3 Medium 4k Instruct
LMArena Text13841138
LMArena Creative Writing13431107
LMArena Multi-Turn13711088
WildBench78.9%—

Frequently asked questions

Is GLM-4.5-Air better than Phi 3 Medium 4k Instruct?

GLM-4.5-Air is the stronger model overall, scoring 38.9 to 33.0 on the Noometry Index.

Is GLM-4.5-Air or Phi 3 Medium 4k Instruct better for coding?

They score almost the same on coding (33.3 vs 32.9); test both on your own repository before choosing.

How many benchmarks do GLM-4.5-Air and Phi 3 Medium 4k Instruct share?

17 benchmarks have published results for both models. GLM-4.5-Air has 27 scored results on Noometry and Phi 3 Medium 4k Instruct has 17.

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