Noometry

Model comparison

Gemini 1.5 Flash 8B vs GLM-5.3-Flash

GLM-5.3-Flash is the stronger model overall, scoring 51.8 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-Flash Z.ai (Zhipu)

51.8

Rank #41 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-Flash in 9 categories; 9 gaps are clear of the uncertainty.
  • The widest gap is in knowledge, where GLM-5.3-Flash leads 58.4 to 16.0.
  • The biggest single-benchmark swing is OTIS Mock AIME 2024-2025: 4.6% for Gemini 1.5 Flash 8B and 93.9% for GLM-5.3-Flash.
  • GLM-5.3-Flash has downloadable open weights; the other is API-only.

Side by side

Gemini 1.5 Flash 8BGLM-5.3-Flash
ProviderGoogleZ.ai (Zhipu)
Noometry Index29.951.8
Released2024-10-032026-08-20
WeightsProprietaryOpen
Context window—1M
Max output—131K
Input $ / M tokens—$0.15
Output $ / M tokens—$0.50
Results tracked2140

Sponsored placements are available on pages like this one. Advertise on Noometry

Category by category

Coding GLM-5.3-Flash leads

Gemini 1.5 Flash 8B: 35.5 (#225), GLM-5.3-Flash: 53.1 (#31)

BenchmarkGemini 1.5 Flash 8BGLM-5.3-Flash
LMArena Coding12181508
DeepSWE—63.4%
FrontierCode—31.8%
CursorBench—36.8%
LMArena WebDev—1609
FrontierSWE—18.1%
SciCode—51.6%
ALE-Bench—303.55

Agentic & Tool Use Not comparable

Gemini 1.5 Flash 8B: —, GLM-5.3-Flash: 34.2 (#47)

BenchmarkGemini 1.5 Flash 8BGLM-5.3-Flash
APEX-Agents—52.8%
GDP.pdf—14%

Reasoning GLM-5.3-Flash leads

Gemini 1.5 Flash 8B: 20.0 (#244), GLM-5.3-Flash: 48.0 (#42)

BenchmarkGemini 1.5 Flash 8BGLM-5.3-Flash
LMArena Hard Prompts12091491
ARC-AGI-2—65.8%
ARC-AGI-1—91%
CritPt—15.4%
Chess Puzzles—14%
Mystery Game Puzzles—8%
DTBench50%—
Surface Evolver Bench—52.5%
Bench to the Future 3—0.15
Epoch Capabilities Index—151.88

Math GLM-5.3-Flash leads

Gemini 1.5 Flash 8B: 14.2 (#302), GLM-5.3-Flash: 53.3 (#47)

BenchmarkGemini 1.5 Flash 8BGLM-5.3-Flash
OTIS Mock AIME 2024-20254.6%93.9%
LMArena Math12071500
FrontierMath (Tiers 1-3)—55.8%
FrontierMath Tier 4—17.1%
ProofBench—21%

Knowledge GLM-5.3-Flash leads

Gemini 1.5 Flash 8B: 16.0 (#289), GLM-5.3-Flash: 58.4 (#36)

BenchmarkGemini 1.5 Flash 8BGLM-5.3-Flash
GPQA Diamond33%90.2%
LMArena Expert11851513

Multimodal GLM-5.3-Flash leads

Gemini 1.5 Flash 8B: 28.2 (#115), GLM-5.3-Flash: 42.8 (#27)

BenchmarkGemini 1.5 Flash 8BGLM-5.3-Flash
LMArena Vision10441296

Multilingual GLM-5.3-Flash leads

Gemini 1.5 Flash 8B: 38.5 (#229), GLM-5.3-Flash: 56.0 (#25)

BenchmarkGemini 1.5 Flash 8BGLM-5.3-Flash
LMArena Non-English12151462
LMArena Chinese12311527
LMArena French12341496
LMArena German12061470
LMArena Japanese11501429
LMArena Korean11401446
LMArena Russian12361469
LMArena Spanish12121471

Instruction Following GLM-5.3-Flash leads

Gemini 1.5 Flash 8B: 62.8 (#236), GLM-5.3-Flash: 77.5 (#20)

BenchmarkGemini 1.5 Flash 8BGLM-5.3-Flash
LMArena Instruction Following11991478

Long Context GLM-5.3-Flash leads

Gemini 1.5 Flash 8B: 37.0 (#225), GLM-5.3-Flash: 45.4 (#39)

BenchmarkGemini 1.5 Flash 8BGLM-5.3-Flash
LMArena Longer Query12191482

Writing & Preference GLM-5.3-Flash leads

Gemini 1.5 Flash 8B: 42.8 (#232), GLM-5.3-Flash: 65.3 (#50)

BenchmarkGemini 1.5 Flash 8BGLM-5.3-Flash
LMArena Text12261471
LMArena Creative Writing12181442
LMArena Multi-Turn11851467

Frequently asked questions

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

GLM-5.3-Flash is the stronger model overall, scoring 51.8 to 29.9 on the Noometry Index.

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

GLM-5.3-Flash scores higher on coding benchmarks: 53.1 versus 35.5 in the Noometry coding category.

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

20 benchmarks have published results for both models. Gemini 1.5 Flash 8B has 21 scored results on Noometry and GLM-5.3-Flash has 40.

Related comparisons

Go deeper