Noometry

Model comparison

Claude 3 Opus vs GLM-5.3

GLM-5.3 is the stronger model overall, scoring 54.8 to 29.5 on the Noometry Index.

Last verified . 25 shared benchmarks.

Claude 3 Opus Anthropic

29.5

Rank #310 Confirmed

GLM-5.3 Z.ai (Zhipu)

54.8

Rank #26 Confirmed

Summary

  • They share 25 benchmarks with published results for both. Claude 3 Opus scores higher in 0 categories and GLM-5.3 in 9 categories; 9 gaps are clear of the uncertainty.
  • The widest gap is in math, where GLM-5.3 leads 62.3 to 14.8.
  • The biggest single-benchmark swing is OTIS Mock AIME 2024-2025: 4.7% for Claude 3 Opus and 91.1% for GLM-5.3.
  • GLM-5.3 has downloadable open weights; the other is API-only.

Side by side

Claude 3 OpusGLM-5.3
ProviderAnthropicZ.ai (Zhipu)
Noometry Index29.554.8
Released2024-02-292026-08-14
WeightsProprietaryOpen
Context window—1M
Max output—131K
Input $ / M tokens—$1.40
Output $ / M tokens—$4.40
Results tracked4642

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Category by category

Coding GLM-5.3 leads

Claude 3 Opus: 32.9 (#267), GLM-5.3: 59.5 (#14)

BenchmarkClaude 3 OpusGLM-5.3
WeirdML19.2%75.4%
LMArena Coding12641496
DeepSWE—69%
FrontierCode—40.1%
CursorBench—42.6%
LMArena WebDev—1622
FrontierSWE—30.2%
SciCode—59%
BigCodeBench Instruct45.5%—
LiveBench Coding38.6%—
BigCodeBench Complete57.4%—
ALE-Bench—1,317
HumanEval+77.4%—
MBPP+73.3%—

Agentic & Tool Use GLM-5.3 leads

Claude 3 Opus: 24.6 (#116), GLM-5.3: 36.4 (#38)

BenchmarkClaude 3 OpusGLM-5.3
APEX-Agents—56.6%
Cybench10%—
METR Time Horizons29.5%—
Vending-Bench 2—8,164

Reasoning GLM-5.3 leads

Claude 3 Opus: 14.6 (#324), GLM-5.3: 46.1 (#46)

BenchmarkClaude 3 OpusGLM-5.3
Chess Puzzles5%21%
LMArena Hard Prompts12451489
DTBench61.6%87.7%
LMCA17%55.5%
Epoch Capabilities Index126.91155.61
SimpleBench23.5%—
NYT Connections (extended)—74.2%
CritPt—19.1%
EnigmaEval0.8%—
LiveBench Reasoning40.6%—
Mystery Game Puzzles—33%
LiveBench Data Analysis57.9%—
Bench to the Future 3—0.15
ForecastBench58.4—
LiveBench49.2%—
WinoGrande88.5%—

Math GLM-5.3 leads

Claude 3 Opus: 14.8 (#299), GLM-5.3: 62.3 (#33)

BenchmarkClaude 3 OpusGLM-5.3
OTIS Mock AIME 2024-20254.7%91.1%
LMArena Math12731489
FrontierMath (Tiers 1-3)—68.8%
FrontierMath Tier 4—29.3%
ProofBench—49%
LiveBench Math43.6%—
MATH Level 537.5%—

Knowledge GLM-5.3 leads

Claude 3 Opus: 24.5 (#267), GLM-5.3: 58.3 (#37)

BenchmarkClaude 3 OpusGLM-5.3
GPQA Diamond47.2%90.9%
SimpleQA Verified12.6%41%
LMArena Expert12231516
Confabulations22.7%—
MMLU84.6%—

Multimodal Not comparable

Claude 3 Opus: 27.1 (#116), GLM-5.3: —

BenchmarkClaude 3 OpusGLM-5.3
LMArena Vision1023—

Multilingual GLM-5.3 leads

Claude 3 Opus: 41.4 (#207), GLM-5.3: 55.7 (#28)

BenchmarkClaude 3 OpusGLM-5.3
LMArena Non-English12581457
LMArena Chinese12481528
LMArena French12751499
LMArena German12581499
LMArena Japanese12041453
LMArena Korean11871472
LMArena Russian12801463
LMArena Spanish12461460

Instruction Following GLM-5.3 leads

Claude 3 Opus: 64.1 (#228), GLM-5.3: 77.5 (#23)

BenchmarkClaude 3 OpusGLM-5.3
LMArena Instruction Following12481477
LiveBench Instruction Following63.9%—

Long Context GLM-5.3 leads

Claude 3 Opus: 38.2 (#202), GLM-5.3: 45.4 (#41)

BenchmarkClaude 3 OpusGLM-5.3
LMArena Longer Query12591482

Writing & Preference GLM-5.3 leads

Claude 3 Opus: 47.2 (#213), GLM-5.3: 75.7 (#6)

BenchmarkClaude 3 OpusGLM-5.3
LMArena Text12621471
LMArena Creative Writing12351457
LMArena Multi-Turn12751472
EQ-Bench Creative Writing—2075
LiveBench Language50.4%—

Frequently asked questions

Is Claude 3 Opus better than GLM-5.3?

GLM-5.3 is the stronger model overall, scoring 54.8 to 29.5 on the Noometry Index.

Is Claude 3 Opus or GLM-5.3 better for coding?

GLM-5.3 scores higher on coding benchmarks: 59.5 versus 32.9 in the Noometry coding category.

How many benchmarks do Claude 3 Opus and GLM-5.3 share?

25 benchmarks have published results for both models. Claude 3 Opus has 46 scored results on Noometry and GLM-5.3 has 42.

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