Model comparison

GLM-4.6 vs Grok 3

GLM-4.6 is the stronger model overall, scoring 41.4 to 39.9 on the Noometry Index.

Last verified . 22 shared benchmarks.

GLM-4.6 Z.ai (Zhipu)

41.4

Rank #135 Confirmed

Grok 3 xAI

39.9

Rank #157 Confirmed

Summary

  • They share 22 benchmarks with published results for both. GLM-4.6 scores higher in 6 categories and Grok 3 in 3 categories; 8 gaps are clear of the uncertainty.
  • The widest gap is in reasoning, where GLM-4.6 leads 23.7 to 13.7.
  • The biggest single-benchmark swing is Kagi LLM Benchmark: 47.4% for GLM-4.6 and 61.3% for Grok 3.
  • GLM-4.6 has downloadable open weights; the other is API-only.

Side by side

GLM-4.6 and Grok 3 specifications
GLM-4.6Grok 3
ProviderZ.ai (Zhipu)xAI
Noometry Index41.439.9
Released2025-09-302025-04-09
WeightsOpenProprietary
Context window205K—
Max output131K—
Input $ / M tokens$0.60—
Output $ / M tokens$2.20—
Results tracked2940

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Category by category

Coding Grok 3 leads

GLM-4.6: 40.1 (#148), Grok 3: 41.9 (#115)

Coding benchmarks
BenchmarkGLM-4.6Grok 3
LMArena Coding14491432
SWE-bench Verified (bash only)55.4%—
Aider Polyglot—53.3%
LMArena WebDev1340—
SciCode38.4%—
WeirdML—37.2%
ALE-Bench340.82—

Agentic & Tool Use GLM-4.6 leads

GLM-4.6: 32.3 (#66), Grok 3: 30.5 (#76)

Agentic & Tool Use benchmarks
BenchmarkGLM-4.6Grok 3
Terminal-Bench24.5%—
Berkeley Function Calling Leaderboard72.4%—
BALROG—29.5%

Reasoning GLM-4.6 leads

GLM-4.6: 23.7 (#172), Grok 3: 13.7 (#333)

Reasoning benchmarks
BenchmarkGLM-4.6Grok 3
Kagi LLM Benchmark47.4%61.3%
LMArena Hard Prompts14401434
ARC-AGI-2—0%
SimpleBench—36.1%
ARC-AGI-1—5.5%
CritPt1.1%—
Epoch Capabilities Index—138.33

Math GLM-4.6 leads

GLM-4.6: 39.1 (#111), Grok 3: 38.0 (#145)

Math benchmarks
BenchmarkGLM-4.6Grok 3
LMArena Math14321391
FrontierMath (Feb 2025 set)3.8%3.8%
FrontierMath Tier 4 (v1)2.1%0%
OTIS Mock AIME 2024-2025—55.6%
Omni-MATH—46.4%
MATH Level 5—88.7%

Knowledge Grok 3 leads

GLM-4.6: 40.2 (#124), Grok 3: 46.2 (#82)

Knowledge benchmarks
BenchmarkGLM-4.6Grok 3
Vectara Hallucination Rate9.5%5.8%
LMArena Expert14311421
GPQA Diamond—75.8%
MMLU-Pro—78.8%
Confabulations—14.2%
GPQA (HELM)—65%

Multilingual GLM-4.6 leads

GLM-4.6: 53.5 (#66), Grok 3: 52.3 (#87)

Multilingual benchmarks
BenchmarkGLM-4.6Grok 3
LMArena Non-English14261410
LMArena Chinese14991448
LMArena French14591460
LMArena German14471431
LMArena Japanese13931387
LMArena Korean14001373
LMArena Russian14191416
LMArena Spanish14361417

Instruction Following Too close to call

GLM-4.6: 74.3 (#98), Grok 3: 75.0 (#73)

Instruction Following benchmarks
BenchmarkGLM-4.6Grok 3
LMArena Instruction Following14101409
IFEval—88.4%

Long Context GLM-4.6 leads

GLM-4.6: 43.4 (#94), Grok 3: 38.7 (#192)

Long Context benchmarks
BenchmarkGLM-4.6Grok 3
LMArena Longer Query14221439
Fiction.LiveBench—58.3%

Writing & Preference GLM-4.6 leads

GLM-4.6: 61.1 (#90), Grok 3: 55.8 (#141)

Writing & Preference benchmarks
BenchmarkGLM-4.6Grok 3
LMArena Text14401426
LMArena Creative Writing14111414
EQ-Bench Creative Writing14111186
LMArena Multi-Turn14271425
Short-Story Creative Writing—76.4%
WildBench—84.9%

Frequently asked questions

Is GLM-4.6 better than Grok 3?

GLM-4.6 is the stronger model overall, scoring 41.4 to 39.9 on the Noometry Index.

Is GLM-4.6 or Grok 3 better for coding?

Grok 3 scores higher on coding benchmarks: 41.9 versus 40.1 in the Noometry coding category.

How many benchmarks do GLM-4.6 and Grok 3 share?

22 benchmarks have published results for both models. GLM-4.6 has 29 scored results on Noometry and Grok 3 has 40.

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