Noometry

Model comparison

GLM-4.5-Air vs MiniMax-M2.1

GLM-4.5-Air and MiniMax-M2.1 score almost the same on the Noometry Index (38.9 vs 38.9), so choose on price, context window or the category you care about most.

Last verified . 18 shared benchmarks.

GLM-4.5-Air Z.ai (Zhipu)

38.9

Rank #177 Confirmed

MiniMax-M2.1 MiniMax

38.9

Rank #178 Confirmed

Summary

  • They share 18 benchmarks with published results for both. GLM-4.5-Air scores higher in 1 category and MiniMax-M2.1 in 7 categories; 7 gaps are clear of the uncertainty.
  • The widest gap is in reasoning, where GLM-4.5-Air leads 24.1 to 16.6.
  • GLM-4.5-Air is cheaper at $0.20 / $1.10 per million input/output tokens, against $0.30 / $1.20 for MiniMax-M2.1.
  • MiniMax-M2.1 accepts more context: 205K tokens versus 131K.

Side by side

GLM-4.5-AirMiniMax-M2.1
ProviderZ.ai (Zhipu)MiniMax
Noometry Index38.938.9
Released2025-07-202025-12-23
WeightsOpenOpen
Context window131K205K
Max output98K131K
Input $ / M tokens$0.20$0.30
Output $ / M tokens$1.10$1.20
Results tracked2722

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Category by category

Coding MiniMax-M2.1 leads

GLM-4.5-Air: 33.3 (#259), MiniMax-M2.1: 40.4 (#143)

BenchmarkGLM-4.5-AirMiniMax-M2.1
LMArena Coding13971421
LMArena WebDev—1384
GSO2.9%—
ALE-Bench—623.83

Agentic & Tool Use Not comparable

GLM-4.5-Air: —, MiniMax-M2.1: 27.9 (#98)

BenchmarkGLM-4.5-AirMiniMax-M2.1
Terminal-Bench—36.6%

Reasoning GLM-4.5-Air leads

GLM-4.5-Air: 24.1 (#166), MiniMax-M2.1: 16.6 (#302)

BenchmarkGLM-4.5-AirMiniMax-M2.1
LMArena Hard Prompts13791411
Kagi LLM Benchmark43%—
NYT Connections (extended)—11.2%
ForecastBench59.2—

Math MiniMax-M2.1 leads

GLM-4.5-Air: 36.2 (#170), MiniMax-M2.1: 38.3 (#138)

BenchmarkGLM-4.5-AirMiniMax-M2.1
LMArena Math13961397
Omni-MATH39.1%—

Knowledge MiniMax-M2.1 leads

GLM-4.5-Air: 35.0 (#191), MiniMax-M2.1: 38.3 (#147)

BenchmarkGLM-4.5-AirMiniMax-M2.1
Vectara Hallucination Rate9.3%11.8%
LMArena Expert13701431
Humanity's Last Exam8.1%—
MMLU-Pro76.2%—
GPQA (HELM)59.4%—

Multilingual Too close to call

GLM-4.5-Air: 49.1 (#135), MiniMax-M2.1: 50.0 (#128)

BenchmarkGLM-4.5-AirMiniMax-M2.1
LMArena Non-English13661378
LMArena Chinese14261430
LMArena French13991404
LMArena German13771381
LMArena Japanese13481287
LMArena Korean13081298
LMArena Russian13731387
LMArena Spanish13861397

Instruction Following MiniMax-M2.1 leads

GLM-4.5-Air: 69.6 (#171), MiniMax-M2.1: 73.8 (#112)

BenchmarkGLM-4.5-AirMiniMax-M2.1
LMArena Instruction Following13541400
IFEval81.2%—

Long Context MiniMax-M2.1 leads

GLM-4.5-Air: 41.6 (#135), MiniMax-M2.1: 43.2 (#101)

BenchmarkGLM-4.5-AirMiniMax-M2.1
LMArena Longer Query13661416

Writing & Preference MiniMax-M2.1 leads

GLM-4.5-Air: 55.9 (#139), MiniMax-M2.1: 58.3 (#120)

BenchmarkGLM-4.5-AirMiniMax-M2.1
LMArena Text13841392
LMArena Creative Writing13431361
LMArena Multi-Turn13711396
WildBench78.9%—

Frequently asked questions

Is GLM-4.5-Air better than MiniMax-M2.1?

GLM-4.5-Air and MiniMax-M2.1 score almost the same on the Noometry Index (38.9 vs 38.9), so choose on price, context window or the category you care about most.

Which is cheaper, GLM-4.5-Air or MiniMax-M2.1?

GLM-4.5-Air is cheaper. It lists at $0.20 per million input tokens and $1.10 per million output tokens; MiniMax-M2.1 lists at $0.30 and $1.20.

Is GLM-4.5-Air or MiniMax-M2.1 better for coding?

MiniMax-M2.1 scores higher on coding benchmarks: 40.4 versus 33.3 in the Noometry coding category.

Which has the bigger context window?

MiniMax-M2.1 does, with 205K tokens against 131K.

How many benchmarks do GLM-4.5-Air and MiniMax-M2.1 share?

18 benchmarks have published results for both models. GLM-4.5-Air has 27 scored results on Noometry and MiniMax-M2.1 has 22.

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