Model comparison

GLM-4.6V vs Grok 4.6

Grok 4.6 is the stronger model overall, scoring 56.9 to 41.3 on the Noometry Index. GLM-4.6V costs 6.7× less per token, which makes it the better buy when Grok 4.6's lead doesn't matter for your workload.

Last verified . 12 shared benchmarks.

GLM-4.6V Z.ai (Zhipu)

41.3

Rank #137 Confirmed

Grok 4.6 xAI

56.9

Rank #21 Confirmed

Summary

  • They share 12 benchmarks with published results for both. GLM-4.6V scores higher in 0 categories and Grok 4.6 in 8 categories; 8 gaps are clear of the uncertainty.
  • The widest gap is in reasoning, where Grok 4.6 leads 61.4 to 27.6.
  • GLM-4.6V is cheaper at $0.30 / $0.90 per million input/output tokens, against $2 / $6 for Grok 4.6.
  • Grok 4.6 accepts more context: 500K tokens versus 128K.
  • GLM-4.6V has downloadable open weights; the other is API-only.

Side by side

GLM-4.6V and Grok 4.6 specifications
GLM-4.6VGrok 4.6
ProviderZ.ai (Zhipu)xAI
Noometry Index41.356.9
Released2025-12-082026-08-12
WeightsOpenProprietary
Context window128K500K
Max output33K500K
Input $ / M tokens$0.30$2
Output $ / M tokens$0.90$6
Results tracked1249

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Category by category

Coding Grok 4.6 leads

GLM-4.6V: 40.9 (#128), Grok 4.6: 58.5 (#16)

Coding benchmarks
BenchmarkGLM-4.6VGrok 4.6
LMArena Coding13901465
DeepSWE—67.5%
FrontierCode—48%
CursorBench—41.4%
LMArena WebDev—1617
FrontierSWE—25.3%
SciCode—56.5%
WeirdML—67.3%
ALE-Bench—1,508

Agentic & Tool Use Not comparable

GLM-4.6V: —, Grok 4.6: 39.4 (#27)

Agentic & Tool Use benchmarks
BenchmarkGLM-4.6VGrok 4.6
APEX-Agents—65.3%
GDP.pdf—17.2%
Vending-Bench 2—9,047

Reasoning Grok 4.6 leads

GLM-4.6V: 27.6 (#115), Grok 4.6: 61.4 (#20)

Reasoning benchmarks
BenchmarkGLM-4.6VGrok 4.6
LMArena Hard Prompts13681447
ARC-AGI-2—67.1%
SimpleBench—75.9%
NYT Connections (extended)—80%
ARC-AGI-1—87.5%
CritPt—19.7%
Chess Puzzles—40%
EBR-Bench—30.5%
Mystery Game Puzzles—34%
DTBench—97.3%
LMCA—48.5%
Epoch Capabilities Index—156.44

Math Not comparable

GLM-4.6V: —, Grok 4.6: 67.0 (#24)

Math benchmarks
BenchmarkGLM-4.6VGrok 4.6
FrontierMath (Tiers 1-3)—66%
FrontierMath Tier 4—31.7%
OTIS Mock AIME 2024-2025—99.2%
ProofBench—51%
LMArena Math—1423

Knowledge Grok 4.6 leads

GLM-4.6V: 38.0 (#149), Grok 4.6: 63.3 (#20)

Knowledge benchmarks
BenchmarkGLM-4.6VGrok 4.6
LMArena Expert13711467
GPQA Diamond—94%
SimpleQA Verified—49.3%

Multimodal Grok 4.6 leads

GLM-4.6V: 34.8 (#90), Grok 4.6: 43.6 (#23)

Multimodal benchmarks
BenchmarkGLM-4.6VGrok 4.6
LMArena Vision11641263
Blueprint-Bench 2—33.2%
Furniture Assembly—40%
LMArena Document—1452

Multilingual Grok 4.6 leads

GLM-4.6V: 48.6 (#141), Grok 4.6: 53.0 (#74)

Multilingual benchmarks
BenchmarkGLM-4.6VGrok 4.6
LMArena Non-English13591420
LMArena Chinese14251480
LMArena Russian13401422
LMArena French—1461
LMArena German—1431
LMArena Japanese—1376
LMArena Korean—1397
LMArena Spanish—1404

Instruction Following Grok 4.6 leads

GLM-4.6V: 71.4 (#151), Grok 4.6: 75.4 (#63)

Instruction Following benchmarks
BenchmarkGLM-4.6VGrok 4.6
LMArena Instruction Following13521431

Long Context Grok 4.6 leads

GLM-4.6V: 41.3 (#143), Grok 4.6: 44.5 (#66)

Long Context benchmarks
BenchmarkGLM-4.6VGrok 4.6
LMArena Longer Query13581454

Writing & Preference Grok 4.6 leads

GLM-4.6V: 56.6 (#137), Grok 4.6: 62.3 (#80)

Writing & Preference benchmarks
BenchmarkGLM-4.6VGrok 4.6
LMArena Text13771428
LMArena Creative Writing13471428
LMArena Multi-Turn13601425

Frequently asked questions

Is GLM-4.6V better than Grok 4.6?

Grok 4.6 is the stronger model overall, scoring 56.9 to 41.3 on the Noometry Index. GLM-4.6V costs 6.7× less per token, which makes it the better buy when Grok 4.6's lead doesn't matter for your workload.

Which is cheaper, GLM-4.6V or Grok 4.6?

GLM-4.6V is cheaper. It lists at $0.30 per million input tokens and $0.90 per million output tokens; Grok 4.6 lists at $2 and $6.

Is GLM-4.6V or Grok 4.6 better for coding?

Grok 4.6 scores higher on coding benchmarks: 58.5 versus 40.9 in the Noometry coding category.

Which has the bigger context window?

Grok 4.6 does, with 500K tokens against 128K.

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

12 benchmarks have published results for both models. GLM-4.6V has 12 scored results on Noometry and Grok 4.6 has 49.

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