Model comparison

Llama 3.1 Nemotron Ultra 253b v1 vs Muse Spark 1.1

Muse Spark 1.1 is the stronger model overall, scoring 49.9 to 36.7 on the Noometry Index.

Last verified . 10 shared benchmarks.

Muse Spark 1.1 Meta

49.9

Rank #51 Confirmed

Summary

  • They share 10 benchmarks with published results for both. Llama 3.1 Nemotron Ultra 253b v1 scores higher in 0 categories and Muse Spark 1.1 in 8 categories; 8 gaps are clear of the uncertainty.
  • The widest gap is in writing & preference, where Muse Spark 1.1 leads 73.4 to 52.2.
  • Llama 3.1 Nemotron Ultra 253b v1 has downloadable open weights; the other is API-only.

Side by side

Llama 3.1 Nemotron Ultra 253b v1 and Muse Spark 1.1 specifications
Llama 3.1 Nemotron Ultra 253b v1Muse Spark 1.1
ProviderNVIDIAMeta
Noometry Index36.749.9
Released—2026-04-08
WeightsOpenProprietary
Context window—1.05M
Max output—131K
Input $ / M tokens—$1.25
Output $ / M tokens—$4.25
Results tracked1137

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Category by category

Coding Muse Spark 1.1 leads

Llama 3.1 Nemotron Ultra 253b v1: 38.4 (#177), Muse Spark 1.1: 51.3 (#40)

Coding benchmarks
BenchmarkLlama 3.1 Nemotron Ultra 253b v1Muse Spark 1.1
LMArena Coding13121498
DeepSWE—53.3%
LMArena WebDev—1542
SciCode—58.8%

Agentic & Tool Use Muse Spark 1.1 leads

Llama 3.1 Nemotron Ultra 253b v1: 15.7 (#149), Muse Spark 1.1: 30.8 (#73)

Agentic & Tool Use benchmarks
BenchmarkLlama 3.1 Nemotron Ultra 253b v1Muse Spark 1.1
APEX-Agents—31.8%
Berkeley Function Calling Leaderboard10%—
τ²-bench Banking—40.5%
GBAEval—7.9%
GDP.pdf—15%
Vending-Bench 2—6,520

Reasoning Muse Spark 1.1 leads

Llama 3.1 Nemotron Ultra 253b v1: 26.3 (#134), Muse Spark 1.1: 47.1 (#44)

Reasoning benchmarks
BenchmarkLlama 3.1 Nemotron Ultra 253b v1Muse Spark 1.1
LMArena Hard Prompts13161486
NYT Connections (extended)—84.9%
CritPt—15.1%
DTBench—94.4%
LMCA—49.9%
Surface Evolver Bench—52.5%
Epoch Capabilities Index—154.21

Math Muse Spark 1.1 leads

Llama 3.1 Nemotron Ultra 253b v1: 37.5 (#152), Muse Spark 1.1: 45.5 (#76)

Math benchmarks
BenchmarkLlama 3.1 Nemotron Ultra 253b v1Muse Spark 1.1
LMArena Math13601483
ProofBench—39%

Knowledge Not comparable

Llama 3.1 Nemotron Ultra 253b v1: —, Muse Spark 1.1: 53.1 (#59)

Knowledge benchmarks
BenchmarkLlama 3.1 Nemotron Ultra 253b v1Muse Spark 1.1
SimpleQA Verified—57.8%
LMArena Expert—1478

Multimodal Not comparable

Llama 3.1 Nemotron Ultra 253b v1: —, Muse Spark 1.1: 42.6 (#29)

Multimodal benchmarks
BenchmarkLlama 3.1 Nemotron Ultra 253b v1Muse Spark 1.1
LMArena Vision—1293
LMArena Document—1465

Multilingual Muse Spark 1.1 leads

Llama 3.1 Nemotron Ultra 253b v1: 43.1 (#187), Muse Spark 1.1: 56.7 (#17)

Multilingual benchmarks
BenchmarkLlama 3.1 Nemotron Ultra 253b v1Muse Spark 1.1
LMArena Non-English12821472
LMArena Russian12841483
LMArena Chinese—1518
LMArena French—1494
LMArena German—1466
LMArena Japanese—1451
LMArena Korean—1458
LMArena Spanish—1464

Instruction Following Muse Spark 1.1 leads

Llama 3.1 Nemotron Ultra 253b v1: 69.0 (#178), Muse Spark 1.1: 76.5 (#39)

Instruction Following benchmarks
BenchmarkLlama 3.1 Nemotron Ultra 253b v1Muse Spark 1.1
LMArena Instruction Following13081457

Long Context Muse Spark 1.1 leads

Llama 3.1 Nemotron Ultra 253b v1: 39.5 (#177), Muse Spark 1.1: 44.8 (#58)

Long Context benchmarks
BenchmarkLlama 3.1 Nemotron Ultra 253b v1Muse Spark 1.1
LMArena Longer Query12991462

Writing & Preference Muse Spark 1.1 leads

Llama 3.1 Nemotron Ultra 253b v1: 52.2 (#175), Muse Spark 1.1: 73.4 (#11)

Writing & Preference benchmarks
BenchmarkLlama 3.1 Nemotron Ultra 253b v1Muse Spark 1.1
LMArena Text13201479
LMArena Creative Writing13141437
LMArena Multi-Turn13171485
EQ-Bench Creative Writing—1927
EQ-Bench 4—1260

Frequently asked questions

Is Llama 3.1 Nemotron Ultra 253b v1 better than Muse Spark 1.1?

Muse Spark 1.1 is the stronger model overall, scoring 49.9 to 36.7 on the Noometry Index.

Is Llama 3.1 Nemotron Ultra 253b v1 or Muse Spark 1.1 better for coding?

Muse Spark 1.1 scores higher on coding benchmarks: 51.3 versus 38.4 in the Noometry coding category.

How many benchmarks do Llama 3.1 Nemotron Ultra 253b v1 and Muse Spark 1.1 share?

10 benchmarks have published results for both models. Llama 3.1 Nemotron Ultra 253b v1 has 11 scored results on Noometry and Muse Spark 1.1 has 37.

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