Noometry

Model comparison

Gemini 3 Deep Think vs GLM-5.3-Flash

GLM-5.3-Flash has enough public results to be ranked (#41); Gemini 3 Deep Think does not yet, so treat this comparison as directional.

Last verified . 3 shared benchmarks.

Gemini 3 Deep Think Google

58.3

Unranked Sparse

GLM-5.3-Flash Z.ai (Zhipu)

51.8

Rank #41 Confirmed

Summary

  • They share 3 benchmarks with published results for both. Gemini 3 Deep Think scores higher in 1 category and GLM-5.3-Flash in 0 categories; one gap is clear of the uncertainty.
  • The widest gap is in reasoning, where Gemini 3 Deep Think leads 70.2 to 48.0.
  • The biggest single-benchmark swing is ARC-AGI-2: 84.6% for Gemini 3 Deep Think and 65.8% for GLM-5.3-Flash.
  • GLM-5.3-Flash has downloadable open weights; the other is API-only.

Side by side

Gemini 3 Deep ThinkGLM-5.3-Flash
ProviderGoogleZ.ai (Zhipu)
Noometry Index58.351.8
Released2026-02-122026-08-20
WeightsProprietaryOpen
Context window—1M
Max output—131K
Input $ / M tokens—$0.15
Output $ / M tokens—$0.50
Results tracked340

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Category by category

Coding Not comparable

Gemini 3 Deep Think: —, GLM-5.3-Flash: 53.1 (#31)

BenchmarkGemini 3 Deep ThinkGLM-5.3-Flash
DeepSWE—63.4%
FrontierCode—31.8%
CursorBench—36.8%
LMArena WebDev—1609
FrontierSWE—18.1%
SciCode—51.6%
LMArena Coding—1508
ALE-Bench—303.55

Agentic & Tool Use Not comparable

Gemini 3 Deep Think: —, GLM-5.3-Flash: 34.2 (#47)

BenchmarkGemini 3 Deep ThinkGLM-5.3-Flash
APEX-Agents—52.8%
GDP.pdf—14%

Reasoning Gemini 3 Deep Think leads

Gemini 3 Deep Think: 70.2 (#14), GLM-5.3-Flash: 48.0 (#42)

BenchmarkGemini 3 Deep ThinkGLM-5.3-Flash
ARC-AGI-284.6%65.8%
ARC-AGI-196%91%
CritPt25.7%15.4%
Chess Puzzles—14%
LMArena Hard Prompts—1491
Mystery Game Puzzles—8%
Surface Evolver Bench—52.5%
Bench to the Future 3—0.15
Epoch Capabilities Index—151.88

Math Not comparable

Gemini 3 Deep Think: —, GLM-5.3-Flash: 53.3 (#47)

BenchmarkGemini 3 Deep ThinkGLM-5.3-Flash
FrontierMath (Tiers 1-3)—55.8%
FrontierMath Tier 4—17.1%
OTIS Mock AIME 2024-2025—93.9%
ProofBench—21%
LMArena Math—1500

Knowledge Not comparable

Gemini 3 Deep Think: —, GLM-5.3-Flash: 58.4 (#36)

BenchmarkGemini 3 Deep ThinkGLM-5.3-Flash
GPQA Diamond—90.2%
LMArena Expert—1513

Multimodal Not comparable

Gemini 3 Deep Think: —, GLM-5.3-Flash: 42.8 (#27)

BenchmarkGemini 3 Deep ThinkGLM-5.3-Flash
LMArena Vision—1296

Multilingual Not comparable

Gemini 3 Deep Think: —, GLM-5.3-Flash: 56.0 (#25)

BenchmarkGemini 3 Deep ThinkGLM-5.3-Flash
LMArena Non-English—1462
LMArena Chinese—1527
LMArena French—1496
LMArena German—1470
LMArena Japanese—1429
LMArena Korean—1446
LMArena Russian—1469
LMArena Spanish—1471

Instruction Following Not comparable

Gemini 3 Deep Think: —, GLM-5.3-Flash: 77.5 (#20)

BenchmarkGemini 3 Deep ThinkGLM-5.3-Flash
LMArena Instruction Following—1478

Long Context Not comparable

Gemini 3 Deep Think: —, GLM-5.3-Flash: 45.4 (#39)

BenchmarkGemini 3 Deep ThinkGLM-5.3-Flash
LMArena Longer Query—1482

Writing & Preference Not comparable

Gemini 3 Deep Think: —, GLM-5.3-Flash: 65.3 (#50)

BenchmarkGemini 3 Deep ThinkGLM-5.3-Flash
LMArena Text—1471
LMArena Creative Writing—1442
LMArena Multi-Turn—1467

Frequently asked questions

Is Gemini 3 Deep Think better than GLM-5.3-Flash?

GLM-5.3-Flash has enough public results to be ranked (#41); Gemini 3 Deep Think does not yet, so treat this comparison as directional.

How many benchmarks do Gemini 3 Deep Think and GLM-5.3-Flash share?

3 benchmarks have published results for both models. Gemini 3 Deep Think has 3 scored results on Noometry and GLM-5.3-Flash has 40.

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