Model comparison

Claude 3 Opus vs Muse Spark 1.2

Muse Spark 1.2 is the stronger model overall, scoring 50.3 to 29.5 on the Noometry Index.

Last verified . 21 shared benchmarks.

Claude 3 Opus Anthropic

29.5

Rank #310 Confirmed

Muse Spark 1.2 Meta

50.3

Rank #48 Confirmed

Summary

  • They share 21 benchmarks with published results for both. Claude 3 Opus scores higher in 0 categories and Muse Spark 1.2 in 10 categories; 10 gaps are clear of the uncertainty.
  • The widest gap is in reasoning, where Muse Spark 1.2 leads 51.3 to 14.6.
  • The biggest single-benchmark swing is SimpleBench: 23.5% for Claude 3 Opus and 74.5% for Muse Spark 1.2.

Side by side

Claude 3 Opus and Muse Spark 1.2 specifications
Claude 3 OpusMuse Spark 1.2
ProviderAnthropicMeta
Noometry Index29.550.3
Released2024-02-292026-08-05
WeightsProprietaryProprietary
Context window—1.05M
Max output—131K
Input $ / M tokens—$1.25
Output $ / M tokens—$4.25
Results tracked4631

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Category by category

Coding Muse Spark 1.2 leads

Claude 3 Opus: 32.9 (#267), Muse Spark 1.2: 49.2 (#51)

Coding benchmarks
BenchmarkClaude 3 OpusMuse Spark 1.2
WeirdML19.2%60.3%
LMArena Coding12641495
DeepSWE—54.9%
LMArena WebDev—1533
FrontierSWE—12%
SciCode—56.4%
BigCodeBench Instruct45.5%—
LiveBench Coding38.6%—
BigCodeBench Complete57.4%—
HumanEval+77.4%—
MBPP+73.3%—

Agentic & Tool Use Muse Spark 1.2 leads

Claude 3 Opus: 24.6 (#116), Muse Spark 1.2: 29.4 (#87)

Agentic & Tool Use benchmarks
BenchmarkClaude 3 OpusMuse Spark 1.2
APEX-Agents—36.4%
Cybench10%—
GDP.pdf—16%
METR Time Horizons29.5%—

Reasoning Muse Spark 1.2 leads

Claude 3 Opus: 14.6 (#324), Muse Spark 1.2: 51.3 (#34)

Reasoning benchmarks
BenchmarkClaude 3 OpusMuse Spark 1.2
SimpleBench23.5%74.5%
LMArena Hard Prompts12451486
DTBench61.6%94.7%
LMCA17%48.4%
Epoch Capabilities Index126.91154.87
NYT Connections (extended)—79.2%
CritPt—17.7%
Chess Puzzles5%—
EnigmaEval0.8%—
LiveBench Reasoning40.6%—
LiveBench Data Analysis57.9%—
ForecastBench58.4—
LiveBench49.2%—
WinoGrande88.5%—

Math Muse Spark 1.2 leads

Claude 3 Opus: 14.8 (#299), Muse Spark 1.2: 46.4 (#70)

Math benchmarks
BenchmarkClaude 3 OpusMuse Spark 1.2
LMArena Math12731471
OTIS Mock AIME 2024-20254.7%—
ProofBench—43%
LiveBench Math43.6%—
MATH Level 537.5%—

Knowledge Muse Spark 1.2 leads

Claude 3 Opus: 24.5 (#267), Muse Spark 1.2: 54.1 (#53)

Knowledge benchmarks
BenchmarkClaude 3 OpusMuse Spark 1.2
SimpleQA Verified12.6%60.3%
LMArena Expert12231480
GPQA Diamond47.2%—
Confabulations22.7%—
MMLU84.6%—

Multimodal Muse Spark 1.2 leads

Claude 3 Opus: 27.1 (#116), Muse Spark 1.2: 43.4 (#25)

Multimodal benchmarks
BenchmarkClaude 3 OpusMuse Spark 1.2
LMArena Vision10231305

Multilingual Muse Spark 1.2 leads

Claude 3 Opus: 41.4 (#207), Muse Spark 1.2: 57.1 (#11)

Multilingual benchmarks
BenchmarkClaude 3 OpusMuse Spark 1.2
LMArena Non-English12581478
LMArena Chinese12481511
LMArena French12751513
LMArena Russian12801487
LMArena Spanish12461498
LMArena German1258—
LMArena Japanese1204—
LMArena Korean1187—

Instruction Following Muse Spark 1.2 leads

Claude 3 Opus: 64.1 (#228), Muse Spark 1.2: 76.7 (#36)

Instruction Following benchmarks
BenchmarkClaude 3 OpusMuse Spark 1.2
LMArena Instruction Following12481461
LiveBench Instruction Following63.9%—

Long Context Muse Spark 1.2 leads

Claude 3 Opus: 38.2 (#202), Muse Spark 1.2: 45.2 (#48)

Long Context benchmarks
BenchmarkClaude 3 OpusMuse Spark 1.2
LMArena Longer Query12591475

Writing & Preference Muse Spark 1.2 leads

Claude 3 Opus: 47.2 (#213), Muse Spark 1.2: 72.3 (#14)

Writing & Preference benchmarks
BenchmarkClaude 3 OpusMuse Spark 1.2
LMArena Text12621482
LMArena Creative Writing12351449
LMArena Multi-Turn12751494
EQ-Bench Creative Writing—1840
LiveBench Language50.4%—

Frequently asked questions

Is Claude 3 Opus better than Muse Spark 1.2?

Muse Spark 1.2 is the stronger model overall, scoring 50.3 to 29.5 on the Noometry Index.

Is Claude 3 Opus or Muse Spark 1.2 better for coding?

Muse Spark 1.2 scores higher on coding benchmarks: 49.2 versus 32.9 in the Noometry coding category.

How many benchmarks do Claude 3 Opus and Muse Spark 1.2 share?

21 benchmarks have published results for both models. Claude 3 Opus has 46 scored results on Noometry and Muse Spark 1.2 has 31.

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