Noometry

Model comparison

Claude 3 Opus vs GLM-4.5

GLM-4.5 is the stronger model overall, scoring 42.0 to 29.5 on the Noometry Index.

Last verified . 19 shared benchmarks.

Claude 3 Opus Anthropic

29.5

Rank #310 Confirmed

GLM-4.5 Z.ai (Zhipu)

42.0

Rank #122 Confirmed

Summary

  • They share 19 benchmarks with published results for both. Claude 3 Opus scores higher in 0 categories and GLM-4.5 in 8 categories; 7 gaps are clear of the uncertainty.
  • The widest gap is in math, where GLM-4.5 leads 39.0 to 14.8.
  • The biggest single-benchmark swing is WeirdML: 19.2% for Claude 3 Opus and 40.6% for GLM-4.5.
  • GLM-4.5 has downloadable open weights; the other is API-only.

Side by side

Claude 3 OpusGLM-4.5
ProviderAnthropicZ.ai (Zhipu)
Noometry Index29.542.0
Released2024-02-292025-07-27
WeightsProprietaryOpen
Context window—131K
Max output—98K
Input $ / M tokens—$0.60
Output $ / M tokens—$2.20
Results tracked4627

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Category by category

Coding GLM-4.5 leads

Claude 3 Opus: 32.9 (#267), GLM-4.5: 41.4 (#125)

BenchmarkClaude 3 OpusGLM-4.5
WeirdML19.2%40.6%
LMArena Coding12641434
SWE-bench Verified (bash only)—54.2%
BigCodeBench Instruct45.5%—
LiveBench Coding38.6%—
BigCodeBench Complete57.4%—
ALE-Bench—344.82
AlgoTune—1.52
HumanEval+77.4%—
MBPP+73.3%—

Agentic & Tool Use Not comparable

Claude 3 Opus: 24.6 (#116), GLM-4.5: —

BenchmarkClaude 3 OpusGLM-4.5
Cybench10%—
METR Time Horizons29.5%—

Reasoning GLM-4.5 leads

Claude 3 Opus: 14.6 (#324), GLM-4.5: 28.6 (#100)

BenchmarkClaude 3 OpusGLM-4.5
LMArena Hard Prompts12451429
SimpleBench23.5%—
Kagi LLM Benchmark—57.9%
Chess Puzzles5%—
EnigmaEval0.8%—
LiveBench Reasoning40.6%—
DTBench61.6%—
LiveBench Data Analysis57.9%—
LMCA17%—
Epoch Capabilities Index126.91—
ForecastBench58.4—
LiveBench49.2%—
WinoGrande88.5%—

Math GLM-4.5 leads

Claude 3 Opus: 14.8 (#299), GLM-4.5: 39.0 (#116)

BenchmarkClaude 3 OpusGLM-4.5
LMArena Math12731427
OTIS Mock AIME 2024-20254.7%—
LiveBench Math43.6%—
MATH Level 537.5%—

Knowledge GLM-4.5 leads

Claude 3 Opus: 24.5 (#267), GLM-4.5: 35.9 (#179)

BenchmarkClaude 3 OpusGLM-4.5
Confabulations22.7%11.3%
LMArena Expert12231433
GPQA Diamond47.2%—
Humanity's Last Exam—8.3%
SimpleQA Verified12.6%—
MMLU84.6%—

Multimodal Not comparable

Claude 3 Opus: 27.1 (#116), GLM-4.5: —

BenchmarkClaude 3 OpusGLM-4.5
LMArena Vision1023—

Multilingual GLM-4.5 leads

Claude 3 Opus: 41.4 (#207), GLM-4.5: 52.8 (#77)

BenchmarkClaude 3 OpusGLM-4.5
LMArena Non-English12581417
LMArena Chinese12481465
LMArena French12751418
LMArena German12581407
LMArena Japanese12041415
LMArena Korean11871380
LMArena Russian12801414
LMArena Spanish12461454

Instruction Following GLM-4.5 leads

Claude 3 Opus: 64.1 (#228), GLM-4.5: 74.1 (#104)

BenchmarkClaude 3 OpusGLM-4.5
LMArena Instruction Following12481404
LiveBench Instruction Following63.9%—

Long Context Too close to call

Claude 3 Opus: 38.2 (#202), GLM-4.5: 38.2 (#201)

BenchmarkClaude 3 OpusGLM-4.5
LMArena Longer Query12591412
Fiction.LiveBench—58.3%

Writing & Preference GLM-4.5 leads

Claude 3 Opus: 47.2 (#213), GLM-4.5: 57.5 (#127)

BenchmarkClaude 3 OpusGLM-4.5
LMArena Text12621430
LMArena Creative Writing12351395
LMArena Multi-Turn12751415
Short-Story Creative Writing—73.4%
EQ-Bench Creative Writing—1343
LiveBench Language50.4%—

Frequently asked questions

Is Claude 3 Opus better than GLM-4.5?

GLM-4.5 is the stronger model overall, scoring 42.0 to 29.5 on the Noometry Index.

Is Claude 3 Opus or GLM-4.5 better for coding?

GLM-4.5 scores higher on coding benchmarks: 41.4 versus 32.9 in the Noometry coding category.

How many benchmarks do Claude 3 Opus and GLM-4.5 share?

19 benchmarks have published results for both models. Claude 3 Opus has 46 scored results on Noometry and GLM-4.5 has 27.

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