Noometry

Model comparison

Grok-3 mini vs Muse Spark 1.2

Muse Spark 1.2 is the stronger model overall, scoring 49.8 to 41.0 on the Noometry Index.

Last verified . 13 shared benchmarks.

Grok-3 mini xAI

41.0

Rank #130 Confirmed

Muse Spark 1.2 Meta

49.8

Rank #44 Confirmed

Summary

  • They share 13 benchmarks with published results for both. Grok-3 mini scores higher in 1 category and Muse Spark 1.2 in 7 categories; 8 gaps are clear of the uncertainty.
  • The widest gap is in reasoning, where Muse Spark 1.2 leads 50.4 to 13.8.
  • The biggest single-benchmark swing is WeirdML: 42.6% for Grok-3 mini and 60.3% for Muse Spark 1.2.

Side by side

Grok-3 miniMuse Spark 1.2
ProviderxAIMeta
Noometry Index41.049.8
Released2025-04-092026-08-05
WeightsProprietaryProprietary
Context window—1.05M
Max output—131K
Input $ / M tokens—$1.25
Output $ / M tokens—$4.25
Results tracked3528

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Category by category

Coding Muse Spark 1.2 leads

Grok-3 mini: 40.4 (#126), Muse Spark 1.2: 48.6 (#49)

BenchmarkGrok-3 miniMuse Spark 1.2
WeirdML42.6%60.3%
LMArena Coding13801497
DeepSWE—54.9%
Aider Polyglot49.3%—
LMArena WebDev—1532
FrontierSWE—12%
SciCode—56.4%

Agentic & Tool Use Not comparable

Grok-3 mini: —, Muse Spark 1.2: 29.5 (#77)

BenchmarkGrok-3 miniMuse Spark 1.2
APEX-Agents—36.4%
GDP.pdf—16%

Reasoning Muse Spark 1.2 leads

Grok-3 mini: 13.8 (#323), Muse Spark 1.2: 50.4 (#32)

BenchmarkGrok-3 miniMuse Spark 1.2
LMArena Hard Prompts13741490
Epoch Capabilities Index140.35155.18
ARC-AGI-20.4%—
SimpleBench—74.5%
Kagi LLM Benchmark61.3%—
NYT Connections (extended)—79.2%
ARC-AGI-116.5%—
CritPt—17.7%
DTBench—94.7%
LMCA—48.4%

Math Muse Spark 1.2 leads

Grok-3 mini: 40.3 (#78), Muse Spark 1.2: 43.8 (#68)

BenchmarkGrok-3 miniMuse Spark 1.2
OTIS Mock AIME 2024-202577.8%—
ProofBench—43%
Omni-MATH31.8%—
LMArena Math1386—
MATH Level 590.9%—
FrontierMath (Feb 2025 set)5.9%—

Knowledge Muse Spark 1.2 leads

Grok-3 mini: 46.3 (#75), Muse Spark 1.2: 53.9 (#49)

BenchmarkGrok-3 miniMuse Spark 1.2
LMArena Expert13951485
GPQA Diamond76.3%—
SimpleQA Verified—60.3%
MMLU-Pro79.9%—
Confabulations10.8%—
GPQA (HELM)67.5%—

Multimodal Not comparable

Grok-3 mini: —, Muse Spark 1.2: 42.6 (#24)

BenchmarkGrok-3 miniMuse Spark 1.2
LMArena Vision—1304

Multilingual Muse Spark 1.2 leads

Grok-3 mini: 48.3 (#141), Muse Spark 1.2: 57.4 (#10)

BenchmarkGrok-3 miniMuse Spark 1.2
LMArena Non-English13521479
LMArena Chinese13871519
LMArena Russian13521494
LMArena French1357—
LMArena German1350—
LMArena Japanese1343—
LMArena Korean1336—
LMArena Spanish1379—

Instruction Following Grok-3 mini leads

Grok-3 mini: 78.7 (#8), Muse Spark 1.2: 77.1 (#30)

BenchmarkGrok-3 miniMuse Spark 1.2
LMArena Instruction Following13561466
IFEval95.1%—

Long Context Muse Spark 1.2 leads

Grok-3 mini: 41.0 (#142), Muse Spark 1.2: 45.4 (#35)

BenchmarkGrok-3 miniMuse Spark 1.2
LMArena Longer Query13721483
Fiction.LiveBench66.7%—

Writing & Preference Muse Spark 1.2 leads

Grok-3 mini: 52.7 (#163), Muse Spark 1.2: 72.6 (#14)

BenchmarkGrok-3 miniMuse Spark 1.2
LMArena Text13701486
LMArena Creative Writing13421444
LMArena Multi-Turn13551504
Short-Story Creative Writing73.5%—
EQ-Bench Creative Writing—1840
WildBench65.1%—

Frequently asked questions

Is Grok-3 mini better than Muse Spark 1.2?

Muse Spark 1.2 is the stronger model overall, scoring 49.8 to 41.0 on the Noometry Index.

Is Grok-3 mini or Muse Spark 1.2 better for coding?

Muse Spark 1.2 scores higher on coding benchmarks: 48.6 versus 40.4 in the Noometry coding category.

How many benchmarks do Grok-3 mini and Muse Spark 1.2 share?

13 benchmarks have published results for both models. Grok-3 mini has 35 scored results on Noometry and Muse Spark 1.2 has 28.

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