Noometry

Model comparison

Gemini 1.5 Flash 8B vs GLM-5.3

GLM-5.3 is the stronger model overall, scoring 54.8 to 29.9 on the Noometry Index.

Last verified . 20 shared benchmarks.

Gemini 1.5 Flash 8B Google

29.9

Rank #301 Confirmed

GLM-5.3 Z.ai (Zhipu)

54.8

Rank #26 Confirmed

Summary

  • They share 20 benchmarks with published results for both. Gemini 1.5 Flash 8B scores higher in 0 categories and GLM-5.3 in 8 categories; 8 gaps are clear of the uncertainty.
  • The widest gap is in math, where GLM-5.3 leads 62.3 to 14.2.
  • The biggest single-benchmark swing is OTIS Mock AIME 2024-2025: 4.6% for Gemini 1.5 Flash 8B and 91.1% for GLM-5.3.
  • GLM-5.3 has downloadable open weights; the other is API-only.

Side by side

Gemini 1.5 Flash 8BGLM-5.3
ProviderGoogleZ.ai (Zhipu)
Noometry Index29.954.8
Released2024-10-032026-08-14
WeightsProprietaryOpen
Context window—1M
Max output—131K
Input $ / M tokens—$1.40
Output $ / M tokens—$4.40
Results tracked2142

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Category by category

Coding GLM-5.3 leads

Gemini 1.5 Flash 8B: 35.5 (#225), GLM-5.3: 59.5 (#14)

BenchmarkGemini 1.5 Flash 8BGLM-5.3
LMArena Coding12181496
DeepSWE—69%
FrontierCode—40.1%
CursorBench—42.6%
LMArena WebDev—1622
FrontierSWE—30.2%
SciCode—59%
WeirdML—75.4%
ALE-Bench—1,317

Agentic & Tool Use Not comparable

Gemini 1.5 Flash 8B: —, GLM-5.3: 36.4 (#38)

BenchmarkGemini 1.5 Flash 8BGLM-5.3
APEX-Agents—56.6%
Vending-Bench 2—8,164

Reasoning GLM-5.3 leads

Gemini 1.5 Flash 8B: 20.0 (#244), GLM-5.3: 46.1 (#46)

BenchmarkGemini 1.5 Flash 8BGLM-5.3
LMArena Hard Prompts12091489
DTBench50%87.7%
NYT Connections (extended)—74.2%
CritPt—19.1%
Chess Puzzles—21%
Mystery Game Puzzles—33%
LMCA—55.5%
Bench to the Future 3—0.15
Epoch Capabilities Index—155.61

Math GLM-5.3 leads

Gemini 1.5 Flash 8B: 14.2 (#302), GLM-5.3: 62.3 (#33)

BenchmarkGemini 1.5 Flash 8BGLM-5.3
OTIS Mock AIME 2024-20254.6%91.1%
LMArena Math12071489
FrontierMath (Tiers 1-3)—68.8%
FrontierMath Tier 4—29.3%
ProofBench—49%

Knowledge GLM-5.3 leads

Gemini 1.5 Flash 8B: 16.0 (#289), GLM-5.3: 58.3 (#37)

BenchmarkGemini 1.5 Flash 8BGLM-5.3
GPQA Diamond33%90.9%
LMArena Expert11851516
SimpleQA Verified—41%

Multimodal Not comparable

Gemini 1.5 Flash 8B: 28.2 (#115), GLM-5.3: —

BenchmarkGemini 1.5 Flash 8BGLM-5.3
LMArena Vision1044—

Multilingual GLM-5.3 leads

Gemini 1.5 Flash 8B: 38.5 (#229), GLM-5.3: 55.7 (#28)

BenchmarkGemini 1.5 Flash 8BGLM-5.3
LMArena Non-English12151457
LMArena Chinese12311528
LMArena French12341499
LMArena German12061499
LMArena Japanese11501453
LMArena Korean11401472
LMArena Russian12361463
LMArena Spanish12121460

Instruction Following GLM-5.3 leads

Gemini 1.5 Flash 8B: 62.8 (#236), GLM-5.3: 77.5 (#23)

BenchmarkGemini 1.5 Flash 8BGLM-5.3
LMArena Instruction Following11991477

Long Context GLM-5.3 leads

Gemini 1.5 Flash 8B: 37.0 (#225), GLM-5.3: 45.4 (#41)

BenchmarkGemini 1.5 Flash 8BGLM-5.3
LMArena Longer Query12191482

Writing & Preference GLM-5.3 leads

Gemini 1.5 Flash 8B: 42.8 (#232), GLM-5.3: 75.7 (#6)

BenchmarkGemini 1.5 Flash 8BGLM-5.3
LMArena Text12261471
LMArena Creative Writing12181457
LMArena Multi-Turn11851472
EQ-Bench Creative Writing—2075

Frequently asked questions

Is Gemini 1.5 Flash 8B better than GLM-5.3?

GLM-5.3 is the stronger model overall, scoring 54.8 to 29.9 on the Noometry Index.

Is Gemini 1.5 Flash 8B or GLM-5.3 better for coding?

GLM-5.3 scores higher on coding benchmarks: 59.5 versus 35.5 in the Noometry coding category.

How many benchmarks do Gemini 1.5 Flash 8B and GLM-5.3 share?

20 benchmarks have published results for both models. Gemini 1.5 Flash 8B has 21 scored results on Noometry and GLM-5.3 has 42.

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