Noometry

Model comparison

GLM-4.5-Air vs Nova 2 Lite

GLM-4.5-Air and Nova 2 Lite score almost the same on the Noometry Index (38.9 vs 39.7), 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

Nova 2 Lite Amazon

39.7

Rank #161 Confirmed

Summary

  • They share 18 benchmarks with published results for both. GLM-4.5-Air scores higher in 3 categories and Nova 2 Lite in 5 categories; 7 gaps are clear of the uncertainty.
  • The widest gap is in knowledge, where Nova 2 Lite leads 43.0 to 35.0.
  • GLM-4.5-Air is cheaper at $0.20 / $1.10 per million input/output tokens, against $0.30 / $2.50 for Nova 2 Lite.
  • Nova 2 Lite accepts more context: 1M tokens versus 131K.
  • GLM-4.5-Air has downloadable open weights; the other is API-only.

Side by side

GLM-4.5-AirNova 2 Lite
ProviderZ.ai (Zhipu)Amazon
Noometry Index38.939.7
Released2025-07-202025-12-01
WeightsOpenProprietary
Context window131K1M
Max output98K64K
Input $ / M tokens$0.20$0.30
Output $ / M tokens$1.10$2.50
Results tracked2719

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Category by category

Coding Nova 2 Lite leads

GLM-4.5-Air: 33.3 (#259), Nova 2 Lite: 40.7 (#134)

BenchmarkGLM-4.5-AirNova 2 Lite
LMArena Coding13971385
GSO2.9%—

Agentic & Tool Use Not comparable

GLM-4.5-Air: —, Nova 2 Lite: 24.1 (#121)

BenchmarkGLM-4.5-AirNova 2 Lite
Berkeley Function Calling Leaderboard—27.1%

Reasoning Nova 2 Lite leads

GLM-4.5-Air: 24.1 (#166), Nova 2 Lite: 27.5 (#118)

BenchmarkGLM-4.5-AirNova 2 Lite
LMArena Hard Prompts13791364
Kagi LLM Benchmark43%—
ForecastBench59.2—

Math Nova 2 Lite leads

GLM-4.5-Air: 36.2 (#170), Nova 2 Lite: 37.5 (#156)

BenchmarkGLM-4.5-AirNova 2 Lite
LMArena Math13961359
Omni-MATH39.1%—

Knowledge Nova 2 Lite leads

GLM-4.5-Air: 35.0 (#191), Nova 2 Lite: 43.0 (#94)

BenchmarkGLM-4.5-AirNova 2 Lite
Vectara Hallucination Rate9.3%5.1%
LMArena Expert13701358
Humanity's Last Exam8.1%—
MMLU-Pro76.2%—
GPQA (HELM)59.4%—

Multilingual GLM-4.5-Air leads

GLM-4.5-Air: 49.1 (#135), Nova 2 Lite: 47.1 (#153)

BenchmarkGLM-4.5-AirNova 2 Lite
LMArena Non-English13661337
LMArena Chinese14261364
LMArena French13991381
LMArena German13771343
LMArena Japanese13481271
LMArena Korean13081284
LMArena Russian13731343
LMArena Spanish13861373

Instruction Following Too close to call

GLM-4.5-Air: 69.6 (#171), Nova 2 Lite: 70.5 (#161)

BenchmarkGLM-4.5-AirNova 2 Lite
LMArena Instruction Following13541335
IFEval81.2%—

Long Context GLM-4.5-Air leads

GLM-4.5-Air: 41.6 (#135), Nova 2 Lite: 40.6 (#150)

BenchmarkGLM-4.5-AirNova 2 Lite
LMArena Longer Query13661335

Writing & Preference GLM-4.5-Air leads

GLM-4.5-Air: 55.9 (#139), Nova 2 Lite: 53.9 (#154)

BenchmarkGLM-4.5-AirNova 2 Lite
LMArena Text13841362
LMArena Creative Writing13431291
LMArena Multi-Turn13711338
WildBench78.9%—

Frequently asked questions

Is GLM-4.5-Air better than Nova 2 Lite?

GLM-4.5-Air and Nova 2 Lite score almost the same on the Noometry Index (38.9 vs 39.7), so choose on price, context window or the category you care about most.

Which is cheaper, GLM-4.5-Air or Nova 2 Lite?

GLM-4.5-Air is cheaper. It lists at $0.20 per million input tokens and $1.10 per million output tokens; Nova 2 Lite lists at $0.30 and $2.50.

Is GLM-4.5-Air or Nova 2 Lite better for coding?

Nova 2 Lite scores higher on coding benchmarks: 40.7 versus 33.3 in the Noometry coding category.

Which has the bigger context window?

Nova 2 Lite does, with 1M tokens against 131K.

How many benchmarks do GLM-4.5-Air and Nova 2 Lite share?

18 benchmarks have published results for both models. GLM-4.5-Air has 27 scored results on Noometry and Nova 2 Lite has 19.

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