Noometry

Model comparison

Grok 4.7 vs Muse Spark 1.2

Muse Spark 1.2 is the stronger model overall, scoring 49.8 to 46.6 on the Noometry Index.

Last verified . 18 shared benchmarks.

Grok 4.7 xAI

46.6

Rank #56 Confirmed

Muse Spark 1.2 Meta

49.8

Rank #44 Confirmed

Summary

  • They share 18 benchmarks with published results for both. Grok 4.7 scores higher in 1 category and Muse Spark 1.2 in 8 categories; 9 gaps are clear of the uncertainty.
  • The widest gap is in knowledge, where Muse Spark 1.2 leads 53.9 to 38.7.
  • The biggest single-benchmark swing is FrontierSWE: 29.5% for Grok 4.7 and 12% for Muse Spark 1.2.
  • Muse Spark 1.2 is cheaper at $1.25 / $4.25 per million input/output tokens, against $2 / $6 for Grok 4.7.
  • Muse Spark 1.2 accepts more context: 1.05M tokens versus 500K.

Side by side

Grok 4.7Muse Spark 1.2
ProviderxAIMeta
Noometry Index46.649.8
Released2026-09-212026-08-05
WeightsProprietaryProprietary
Context window500K1.05M
Max output500K131K
Input $ / M tokens$2$1.25
Output $ / M tokens$6$4.25
Results tracked2128

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Category by category

Coding Grok 4.7 leads

Grok 4.7: 55.0 (#23), Muse Spark 1.2: 48.6 (#49)

BenchmarkGrok 4.7Muse Spark 1.2
LMArena WebDev16361532
FrontierSWE29.5%12%
SciCode57.4%56.4%
LMArena Coding14231497
DeepSWE—54.9%
CursorBench46.3%—
WeirdML—60.3%

Agentic & Tool Use Not comparable

Grok 4.7: —, Muse Spark 1.2: 29.5 (#77)

BenchmarkGrok 4.7Muse Spark 1.2
APEX-Agents—36.4%
GDP.pdf—16%

Reasoning Muse Spark 1.2 leads

Grok 4.7: 40.1 (#49), Muse Spark 1.2: 50.4 (#32)

BenchmarkGrok 4.7Muse Spark 1.2
NYT Connections (extended)76.8%79.2%
CritPt17.7%17.7%
LMArena Hard Prompts14091490
SimpleBench—74.5%
DTBench—94.7%
LMCA—48.4%
Epoch Capabilities Index—155.18

Math Muse Spark 1.2 leads

Grok 4.7: 41.1 (#73), Muse Spark 1.2: 43.8 (#68)

BenchmarkGrok 4.7Muse Spark 1.2
ProofBench34%43%
LMArena Math1393—

Knowledge Muse Spark 1.2 leads

Grok 4.7: 38.7 (#130), Muse Spark 1.2: 53.9 (#49)

BenchmarkGrok 4.7Muse Spark 1.2
LMArena Expert14131485
SimpleQA Verified—60.3%

Multimodal Muse Spark 1.2 leads

Grok 4.7: 28.8 (#107), Muse Spark 1.2: 42.6 (#24)

BenchmarkGrok 4.7Muse Spark 1.2
LMArena Vision—1304
Furniture Assembly20.8%—

Multilingual Muse Spark 1.2 leads

Grok 4.7: 51.2 (#108), Muse Spark 1.2: 57.4 (#10)

BenchmarkGrok 4.7Muse Spark 1.2
LMArena Non-English13921479
LMArena Chinese14761519
LMArena Russian13961494

Instruction Following Muse Spark 1.2 leads

Grok 4.7: 74.3 (#98), Muse Spark 1.2: 77.1 (#30)

BenchmarkGrok 4.7Muse Spark 1.2
LMArena Instruction Following14061466

Long Context Muse Spark 1.2 leads

Grok 4.7: 43.2 (#97), Muse Spark 1.2: 45.4 (#35)

BenchmarkGrok 4.7Muse Spark 1.2
LMArena Longer Query14161483

Writing & Preference Muse Spark 1.2 leads

Grok 4.7: 70.1 (#23), Muse Spark 1.2: 72.6 (#14)

BenchmarkGrok 4.7Muse Spark 1.2
LMArena Text13971486
LMArena Creative Writing13911444
EQ-Bench Creative Writing20071840
LMArena Multi-Turn13891504

Frequently asked questions

Is Grok 4.7 better than Muse Spark 1.2?

Muse Spark 1.2 is the stronger model overall, scoring 49.8 to 46.6 on the Noometry Index.

Which is cheaper, Grok 4.7 or Muse Spark 1.2?

Muse Spark 1.2 is cheaper. It lists at $1.25 per million input tokens and $4.25 per million output tokens; Grok 4.7 lists at $2 and $6.

Is Grok 4.7 or Muse Spark 1.2 better for coding?

Grok 4.7 scores higher on coding benchmarks: 55.0 versus 48.6 in the Noometry coding category.

Which has the bigger context window?

Muse Spark 1.2 does, with 1.05M tokens against 500K.

How many benchmarks do Grok 4.7 and Muse Spark 1.2 share?

18 benchmarks have published results for both models. Grok 4.7 has 21 scored results on Noometry and Muse Spark 1.2 has 28.

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