Noometry

Model comparison

Grok 4.6 vs Muse Glimmer

Grok 4.6 is the stronger model overall, scoring 56.9 to 41.7 on the Noometry Index.

Last verified . 15 shared benchmarks.

Grok 4.6 xAI

56.9

Rank #21 Confirmed

Muse Glimmer Meta

41.7

Rank #131 Confirmed

Summary

  • They share 15 benchmarks with published results for both. Grok 4.6 scores higher in 8 categories and Muse Glimmer in 0 categories; 8 gaps are clear of the uncertainty.
  • The widest gap is in reasoning, where Grok 4.6 leads 61.4 to 25.7.
  • The biggest single-benchmark swing is CritPt: 19.7% for Grok 4.6 and 2.6% for Muse Glimmer.
  • Muse Glimmer has downloadable open weights; the other is API-only.

Side by side

Grok 4.6Muse Glimmer
ProviderxAIMeta
Noometry Index56.941.7
Released2026-08-122026-08-10
WeightsProprietaryOpen
Context window500K—
Max output500K—
Input $ / M tokens$2—
Output $ / M tokens$6—
Results tracked4915

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Category by category

Coding Grok 4.6 leads

Grok 4.6: 58.5 (#16), Muse Glimmer: 40.4 (#142)

BenchmarkGrok 4.6Muse Glimmer
LMArena WebDev16171355
SciCode56.5%44.9%
LMArena Coding14651416
DeepSWE67.5%—
FrontierCode48%—
CursorBench41.4%—
FrontierSWE25.3%—
WeirdML67.3%—
ALE-Bench1,508—

Agentic & Tool Use Not comparable

Grok 4.6: 39.4 (#27), Muse Glimmer: —

BenchmarkGrok 4.6Muse Glimmer
APEX-Agents65.3%—
GDP.pdf17.2%—
Vending-Bench 29,047—

Reasoning Grok 4.6 leads

Grok 4.6: 61.4 (#20), Muse Glimmer: 25.7 (#144)

BenchmarkGrok 4.6Muse Glimmer
CritPt19.7%2.6%
LMArena Hard Prompts14471396
ARC-AGI-267.1%—
SimpleBench75.9%—
NYT Connections (extended)80%—
ARC-AGI-187.5%—
Chess Puzzles40%—
EBR-Bench30.5%—
Mystery Game Puzzles34%—
DTBench97.3%—
LMCA48.5%—
Epoch Capabilities Index156.44—

Math Grok 4.6 leads

Grok 4.6: 67.0 (#24), Muse Glimmer: 38.8 (#125)

BenchmarkGrok 4.6Muse Glimmer
LMArena Math14231417
FrontierMath (Tiers 1-3)66%—
FrontierMath Tier 431.7%—
OTIS Mock AIME 2024-202599.2%—
ProofBench51%—

Knowledge Grok 4.6 leads

Grok 4.6: 63.3 (#20), Muse Glimmer: 38.5 (#143)

BenchmarkGrok 4.6Muse Glimmer
LMArena Expert14671386
GPQA Diamond94%—
SimpleQA Verified49.3%—

Multimodal Not comparable

Grok 4.6: 43.6 (#23), Muse Glimmer: —

BenchmarkGrok 4.6Muse Glimmer
LMArena Vision1263—
Blueprint-Bench 233.2%—
Furniture Assembly40%—
LMArena Document1452—

Multilingual Grok 4.6 leads

Grok 4.6: 53.0 (#74), Muse Glimmer: 50.5 (#122)

BenchmarkGrok 4.6Muse Glimmer
LMArena Non-English14201384
LMArena Chinese14801412
LMArena Russian14221390
LMArena French1461—
LMArena German1431—
LMArena Japanese1376—
LMArena Korean1397—
LMArena Spanish1404—

Instruction Following Grok 4.6 leads

Grok 4.6: 75.4 (#63), Muse Glimmer: 72.6 (#135)

BenchmarkGrok 4.6Muse Glimmer
LMArena Instruction Following14311375

Long Context Grok 4.6 leads

Grok 4.6: 44.5 (#66), Muse Glimmer: 42.1 (#129)

BenchmarkGrok 4.6Muse Glimmer
LMArena Longer Query14541382

Writing & Preference Grok 4.6 leads

Grok 4.6: 62.3 (#80), Muse Glimmer: 57.5 (#126)

BenchmarkGrok 4.6Muse Glimmer
LMArena Text14281389
LMArena Creative Writing14281339
LMArena Multi-Turn14251399

Frequently asked questions

Is Grok 4.6 better than Muse Glimmer?

Grok 4.6 is the stronger model overall, scoring 56.9 to 41.7 on the Noometry Index.

Is Grok 4.6 or Muse Glimmer better for coding?

Grok 4.6 scores higher on coding benchmarks: 58.5 versus 40.4 in the Noometry coding category.

How many benchmarks do Grok 4.6 and Muse Glimmer share?

15 benchmarks have published results for both models. Grok 4.6 has 49 scored results on Noometry and Muse Glimmer has 15.

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