Model comparison

GLM-4.5-Air vs MiMo-V2-Pro

MiMo-V2-Pro is the stronger model overall, scoring 43.0 to 38.9 on the Noometry Index.

Last verified . 17 shared benchmarks.

GLM-4.5-Air Z.ai (Zhipu)

38.9

Rank #177 Confirmed

MiMo-V2-Pro Xiaomi

43.0

Rank #103 Confirmed

Summary

  • They share 17 benchmarks with published results for both. GLM-4.5-Air scores higher in 2 categories and MiMo-V2-Pro in 6 categories; 7 gaps are clear of the uncertainty.
  • The widest gap is in coding, where MiMo-V2-Pro leads 43.8 to 33.3.
  • GLM-4.5-Air is cheaper at $0.20 / $1.10 per million input/output tokens, against $0.43 / $0.87 for MiMo-V2-Pro.
  • MiMo-V2-Pro accepts more context: 1.05M tokens versus 131K.
  • GLM-4.5-Air has downloadable open weights; the other is API-only.

Side by side

GLM-4.5-Air and MiMo-V2-Pro specifications
GLM-4.5-AirMiMo-V2-Pro
ProviderZ.ai (Zhipu)Xiaomi
Noometry Index38.943.0
Released2025-07-202026-03-18
WeightsOpenProprietary
Context window131K1.05M
Max output98K131K
Input $ / M tokens$0.20$0.43
Output $ / M tokens$1.10$0.87
Results tracked2723

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Category by category

Coding MiMo-V2-Pro leads

GLM-4.5-Air: 33.3 (#259), MiMo-V2-Pro: 43.8 (#83)

Coding benchmarks
BenchmarkGLM-4.5-AirMiMo-V2-Pro
LMArena Coding13971476
LMArena WebDev—1433
GSO2.9%—
ALE-Bench—785.17

Reasoning GLM-4.5-Air leads

GLM-4.5-Air: 24.1 (#166), MiMo-V2-Pro: 22.1 (#206)

Reasoning benchmarks
BenchmarkGLM-4.5-AirMiMo-V2-Pro
LMArena Hard Prompts13791457
Kagi LLM Benchmark43%—
NYT Connections (extended)—25.8%
Thematic Generalization—45.9%
ForecastBench59.2—

Math MiMo-V2-Pro leads

GLM-4.5-Air: 36.2 (#170), MiMo-V2-Pro: 39.5 (#102)

Math benchmarks
BenchmarkGLM-4.5-AirMiMo-V2-Pro
LMArena Math13961447
Omni-MATH39.1%—

Knowledge MiMo-V2-Pro leads

GLM-4.5-Air: 35.0 (#191), MiMo-V2-Pro: 41.4 (#111)

Knowledge benchmarks
BenchmarkGLM-4.5-AirMiMo-V2-Pro
LMArena Expert13701478
Humanity's Last Exam8.1%—
MMLU-Pro76.2%—
Vectara Hallucination Rate9.3%—
GPQA (HELM)59.4%—

Multilingual MiMo-V2-Pro leads

GLM-4.5-Air: 49.1 (#135), MiMo-V2-Pro: 52.7 (#81)

Multilingual benchmarks
BenchmarkGLM-4.5-AirMiMo-V2-Pro
LMArena Non-English13661416
LMArena Chinese14261456
LMArena French13991469
LMArena German13771417
LMArena Japanese13481366
LMArena Korean13081400
LMArena Russian13731427
LMArena Spanish13861457

Instruction Following MiMo-V2-Pro leads

GLM-4.5-Air: 69.6 (#171), MiMo-V2-Pro: 76.0 (#49)

Instruction Following benchmarks
BenchmarkGLM-4.5-AirMiMo-V2-Pro
LMArena Instruction Following13541445
IFEval81.2%—

Long Context Too close to call

GLM-4.5-Air: 41.6 (#135), MiMo-V2-Pro: 41.5 (#138)

Long Context benchmarks
BenchmarkGLM-4.5-AirMiMo-V2-Pro
LMArena Longer Query13661455
CL-bench—15.7%
CL-bench Life—6.9%

Writing & Preference MiMo-V2-Pro leads

GLM-4.5-Air: 55.9 (#139), MiMo-V2-Pro: 62.8 (#70)

Writing & Preference benchmarks
BenchmarkGLM-4.5-AirMiMo-V2-Pro
LMArena Text13841436
LMArena Creative Writing13431415
LMArena Multi-Turn13711456
WildBench78.9%—

Frequently asked questions

Is GLM-4.5-Air better than MiMo-V2-Pro?

MiMo-V2-Pro is the stronger model overall, scoring 43.0 to 38.9 on the Noometry Index.

Which is cheaper, GLM-4.5-Air or MiMo-V2-Pro?

GLM-4.5-Air is cheaper. It lists at $0.20 per million input tokens and $1.10 per million output tokens; MiMo-V2-Pro lists at $0.43 and $0.87.

Is GLM-4.5-Air or MiMo-V2-Pro better for coding?

MiMo-V2-Pro scores higher on coding benchmarks: 43.8 versus 33.3 in the Noometry coding category.

Which has the bigger context window?

MiMo-V2-Pro does, with 1.05M tokens against 131K.

How many benchmarks do GLM-4.5-Air and MiMo-V2-Pro share?

17 benchmarks have published results for both models. GLM-4.5-Air has 27 scored results on Noometry and MiMo-V2-Pro has 23.

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