Noometry

Model comparison

Gemini 3.5 Flash Lite vs GLM-4.5-Air

Gemini 3.5 Flash Lite is the stronger model overall, scoring 41.8 to 38.7 on the Noometry Index. GLM-4.5-Air costs 2.0× less per token, which makes it the better buy when Gemini 3.5 Flash Lite's lead doesn't matter for your workload.

Last verified . 17 shared benchmarks.

Gemini 3.5 Flash Lite Google

41.8

Rank #113 Confirmed

GLM-4.5-Air Z.ai (Zhipu)

38.7

Rank #169 Confirmed

Summary

  • They share 17 benchmarks with published results for both. Gemini 3.5 Flash Lite scores higher in 7 categories and GLM-4.5-Air in 1 category; 8 gaps are clear of the uncertainty.
  • The widest gap is in knowledge, where Gemini 3.5 Flash Lite leads 50.0 to 34.6.
  • GLM-4.5-Air is cheaper at $0.20 / $1.10 per million input/output tokens, against $0.30 / $2.50 for Gemini 3.5 Flash Lite.
  • Gemini 3.5 Flash Lite accepts more context: 1.05M tokens versus 131K.
  • GLM-4.5-Air has downloadable open weights; the other is API-only.

Side by side

Gemini 3.5 Flash LiteGLM-4.5-Air
ProviderGoogleZ.ai (Zhipu)
Noometry Index41.838.7
Released2026-07-212025-07-20
WeightsProprietaryOpen
Context window1.05M131K
Max output66K98K
Input $ / M tokens$0.30$0.20
Output $ / M tokens$2.50$1.10
Results tracked3827

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Category by category

Coding Gemini 3.5 Flash Lite leads

Gemini 3.5 Flash Lite: 42.1 (#96), GLM-4.5-Air: 34.5 (#225)

BenchmarkGemini 3.5 Flash LiteGLM-4.5-Air
LMArena Coding14551397
LMArena WebDev1440—
SciCode41.3%—
GSO—2.9%
WeirdML39%—
ALE-Bench765.27—

Agentic & Tool Use Not comparable

Gemini 3.5 Flash Lite: 28.6 (#82), GLM-4.5-Air: —

BenchmarkGemini 3.5 Flash LiteGLM-4.5-Air
GDP.pdf10%—

Reasoning Gemini 3.5 Flash Lite leads

Gemini 3.5 Flash Lite: 27.8 (#95), GLM-4.5-Air: 23.3 (#166)

BenchmarkGemini 3.5 Flash LiteGLM-4.5-Air
LMArena Hard Prompts14411379
ARC-AGI-210.3%—
Kagi LLM Benchmark—43%
NYT Connections (extended)60.4%—
ARC-AGI-153.5%—
CritPt0%—
Chess Puzzles22%—
Mystery Game Puzzles19%—
DTBench83.5%—
LMCA37.6%—
Epoch Capabilities Index145.12—
ForecastBench—59.2

Math GLM-4.5-Air leads

Gemini 3.5 Flash Lite: 25.7 (#245), GLM-4.5-Air: 33.8 (#166)

BenchmarkGemini 3.5 Flash LiteGLM-4.5-Air
LMArena Math14311396
FrontierMath (Tiers 1-3)26%—
FrontierMath Tier 40%—
OTIS Mock AIME 2024-202571.1%—
ProofBench13%—
Omni-MATH—39.1%

Knowledge Gemini 3.5 Flash Lite leads

Gemini 3.5 Flash Lite: 50.0 (#66), GLM-4.5-Air: 34.6 (#184)

BenchmarkGemini 3.5 Flash LiteGLM-4.5-Air
LMArena Expert14301370
GPQA Diamond83.3%—
Humanity's Last Exam—8.1%
MMLU-Pro—76.2%
Vectara Hallucination Rate—9.3%
GPQA (HELM)—59.4%

Multimodal Not comparable

Gemini 3.5 Flash Lite: 40.3 (#38), GLM-4.5-Air: —

BenchmarkGemini 3.5 Flash LiteGLM-4.5-Air
LMArena Vision1266—

Multilingual Gemini 3.5 Flash Lite leads

Gemini 3.5 Flash Lite: 53.8 (#59), GLM-4.5-Air: 49.4 (#130)

BenchmarkGemini 3.5 Flash LiteGLM-4.5-Air
LMArena Non-English14281366
LMArena Chinese14671427
LMArena French14521399
LMArena German14541376
LMArena Japanese14281348
LMArena Korean14061306
LMArena Russian14431373
LMArena Spanish14401385

Instruction Following Gemini 3.5 Flash Lite leads

Gemini 3.5 Flash Lite: 75.0 (#77), GLM-4.5-Air: 69.8 (#165)

BenchmarkGemini 3.5 Flash LiteGLM-4.5-Air
LMArena Instruction Following14201353
IFEval—81.2%

Long Context Gemini 3.5 Flash Lite leads

Gemini 3.5 Flash Lite: 43.8 (#80), GLM-4.5-Air: 41.6 (#130)

BenchmarkGemini 3.5 Flash LiteGLM-4.5-Air
LMArena Longer Query14351367

Writing & Preference Gemini 3.5 Flash Lite leads

Gemini 3.5 Flash Lite: 64.4 (#55), GLM-4.5-Air: 56.1 (#134)

BenchmarkGemini 3.5 Flash LiteGLM-4.5-Air
LMArena Text14361384
LMArena Creative Writing14191343
LMArena Multi-Turn14451371
EQ-Bench Creative Writing1559—
WildBench—78.9%

Frequently asked questions

Is Gemini 3.5 Flash Lite better than GLM-4.5-Air?

Gemini 3.5 Flash Lite is the stronger model overall, scoring 41.8 to 38.7 on the Noometry Index. GLM-4.5-Air costs 2.0× less per token, which makes it the better buy when Gemini 3.5 Flash Lite's lead doesn't matter for your workload.

Which is cheaper, Gemini 3.5 Flash Lite or GLM-4.5-Air?

GLM-4.5-Air is cheaper. It lists at $0.20 per million input tokens and $1.10 per million output tokens; Gemini 3.5 Flash Lite lists at $0.30 and $2.50.

Is Gemini 3.5 Flash Lite or GLM-4.5-Air better for coding?

Gemini 3.5 Flash Lite scores higher on coding benchmarks: 42.1 versus 34.5 in the Noometry coding category.

Which has the bigger context window?

Gemini 3.5 Flash Lite does, with 1.05M tokens against 131K.

How many benchmarks do Gemini 3.5 Flash Lite and GLM-4.5-Air share?

17 benchmarks have published results for both models. Gemini 3.5 Flash Lite has 38 scored results on Noometry and GLM-4.5-Air has 27.

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