Model comparison
Llama 3.1 Nemotron 51b Instruct vs Muse Spark
Muse Spark is the stronger model overall, scoring 50.6 to 35.9 on the Noometry Index.
Last verified . 12 shared benchmarks.
NVIDIA
MetaSummary
- They share 12 benchmarks with published results for both. Llama 3.1 Nemotron 51b Instruct scores higher in 0 categories and Muse Spark in 8 categories; 8 gaps are clear of the uncertainty.
- The widest gap is in knowledge, where Muse Spark leads 65.7 to 31.9.
- Llama 3.1 Nemotron 51b Instruct has downloadable open weights; the other is API-only.
Side by side
| Llama 3.1 Nemotron 51b Instruct | Muse Spark | |
|---|---|---|
| Provider | NVIDIA | Meta |
| Noometry Index | 35.9 | 50.6 |
| Released | — | 2026-04-08 |
| Weights | Open | Proprietary |
| Context window | — | — |
| Max output | — | — |
| Input $ / M tokens | — | — |
| Output $ / M tokens | — | — |
| Results tracked | 12 | 27 |
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Category by category
Coding Muse Spark leads
Llama 3.1 Nemotron 51b Instruct: 35.6 (#222), Muse Spark: 46.2 (#69)
| Benchmark | Llama 3.1 Nemotron 51b Instruct | Muse Spark |
|---|---|---|
| LMArena Coding | 1223 | 1481 |
| SciCode | — | 51.5% |
Reasoning Muse Spark leads
Llama 3.1 Nemotron 51b Instruct: 23.5 (#177), Muse Spark: 35.9 (#67)
| Benchmark | Llama 3.1 Nemotron 51b Instruct | Muse Spark |
|---|---|---|
| LMArena Hard Prompts | 1203 | 1474 |
| CritPt | — | 11.3% |
| Epoch Capabilities Index | — | 152.04 |
Math Muse Spark leads
Llama 3.1 Nemotron 51b Instruct: 34.6 (#193), Muse Spark: 47.8 (#66)
| Benchmark | Llama 3.1 Nemotron 51b Instruct | Muse Spark |
|---|---|---|
| LMArena Math | 1230 | 1455 |
| OTIS Mock AIME 2024-2025 | — | 88.9% |
| ProofBench | — | 17% |
| FrontierMath (Feb 2025 set) | — | 39% |
| FrontierMath Tier 4 (v1) | — | 14.6% |
Knowledge Muse Spark leads
Llama 3.1 Nemotron 51b Instruct: 31.9 (#218), Muse Spark: 65.7 (#13)
| Benchmark | Llama 3.1 Nemotron 51b Instruct | Muse Spark |
|---|---|---|
| LMArena Expert | 1167 | 1457 |
| GPQA Diamond | — | 89.8% |
| Humanity's Last Exam | — | 40.6% |
Multimodal Not comparable
Llama 3.1 Nemotron 51b Instruct: —, Muse Spark: 43.4 (#24)
| Benchmark | Llama 3.1 Nemotron 51b Instruct | Muse Spark |
|---|---|---|
| LMArena Vision | — | 1306 |
| LMArena Document | — | 1444 |
Multilingual Muse Spark leads
Llama 3.1 Nemotron 51b Instruct: 36.1 (#241), Muse Spark: 56.1 (#24)
| Benchmark | Llama 3.1 Nemotron 51b Instruct | Muse Spark |
|---|---|---|
| LMArena Non-English | 1181 | 1464 |
| LMArena Chinese | 1180 | 1509 |
| LMArena Russian | 1187 | 1466 |
| LMArena French | — | 1497 |
| LMArena German | — | 1497 |
| LMArena Korean | — | 1459 |
| LMArena Spanish | — | 1472 |
Instruction Following Muse Spark leads
Llama 3.1 Nemotron 51b Instruct: 62.9 (#233), Muse Spark: 75.9 (#51)
| Benchmark | Llama 3.1 Nemotron 51b Instruct | Muse Spark |
|---|---|---|
| LMArena Instruction Following | 1201 | 1442 |
Long Context Muse Spark leads
Llama 3.1 Nemotron 51b Instruct: 36.5 (#230), Muse Spark: 44.4 (#69)
| Benchmark | Llama 3.1 Nemotron 51b Instruct | Muse Spark |
|---|---|---|
| LMArena Longer Query | 1205 | 1451 |
Writing & Preference Muse Spark leads
Llama 3.1 Nemotron 51b Instruct: 43.4 (#229), Muse Spark: 66.0 (#39)
| Benchmark | Llama 3.1 Nemotron 51b Instruct | Muse Spark |
|---|---|---|
| LMArena Text | 1228 | 1474 |
| LMArena Creative Writing | 1213 | 1459 |
| LMArena Multi-Turn | 1227 | 1477 |
Frequently asked questions
Is Llama 3.1 Nemotron 51b Instruct better than Muse Spark?
Muse Spark is the stronger model overall, scoring 50.6 to 35.9 on the Noometry Index.
Is Llama 3.1 Nemotron 51b Instruct or Muse Spark better for coding?
Muse Spark scores higher on coding benchmarks: 46.2 versus 35.6 in the Noometry coding category.
How many benchmarks do Llama 3.1 Nemotron 51b Instruct and Muse Spark share?
12 benchmarks have published results for both models. Llama 3.1 Nemotron 51b Instruct has 12 scored results on Noometry and Muse Spark has 27.