Model comparison
Llama 3.1 Nemotron 51b Instruct vs Muse Spark 1.3
Muse Spark 1.3 is the stronger model overall, scoring 54.8 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 1.3 in 8 categories; 8 gaps are clear of the uncertainty.
- The widest gap is in math, where Muse Spark 1.3 leads 73.1 to 34.6.
- 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 1.3 | |
|---|---|---|
| Provider | NVIDIA | Meta |
| Noometry Index | 35.9 | 54.8 |
| Released | — | 2026-09-02 |
| Weights | Open | Proprietary |
| Context window | — | 1.05M |
| Max output | — | 131K |
| Input $ / M tokens | — | $1.25 |
| Output $ / M tokens | — | $4.25 |
| Results tracked | 12 | 37 |
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Category by category
Coding Muse Spark 1.3 leads
Llama 3.1 Nemotron 51b Instruct: 35.6 (#222), Muse Spark 1.3: 56.6 (#21)
| Benchmark | Llama 3.1 Nemotron 51b Instruct | Muse Spark 1.3 |
|---|---|---|
| LMArena Coding | 1223 | 1514 |
| CursorBench | — | 41.6% |
| LMArena WebDev | — | 1657 |
| SciCode | — | 59.7% |
Agentic & Tool Use Not comparable
Llama 3.1 Nemotron 51b Instruct: —, Muse Spark 1.3: 38.6 (#30)
| Benchmark | Llama 3.1 Nemotron 51b Instruct | Muse Spark 1.3 |
|---|---|---|
| APEX-Agents | — | 57.8% |
| GDP.pdf | — | 27.6% |
Reasoning Muse Spark 1.3 leads
Llama 3.1 Nemotron 51b Instruct: 23.5 (#177), Muse Spark 1.3: 54.0 (#27)
| Benchmark | Llama 3.1 Nemotron 51b Instruct | Muse Spark 1.3 |
|---|---|---|
| LMArena Hard Prompts | 1203 | 1503 |
| NYT Connections (extended) | — | 85.1% |
| CritPt | — | 26% |
| Chess Puzzles | — | 38% |
| Mystery Game Puzzles | — | 25% |
| DTBench | — | 96.5% |
| LMCA | — | 53.9% |
| Bench to the Future 3 | — | 0.14 |
| Epoch Capabilities Index | — | 156.75 |
Math Muse Spark 1.3 leads
Llama 3.1 Nemotron 51b Instruct: 34.6 (#193), Muse Spark 1.3: 73.1 (#21)
| Benchmark | Llama 3.1 Nemotron 51b Instruct | Muse Spark 1.3 |
|---|---|---|
| LMArena Math | 1230 | 1494 |
| FrontierMath (Tiers 1-3) | — | 74.4% |
| FrontierMath Tier 4 | — | 46.3% |
| OTIS Mock AIME 2024-2025 | — | 99.2% |
| ProofBench | — | 58% |
Knowledge Muse Spark 1.3 leads
Llama 3.1 Nemotron 51b Instruct: 31.9 (#218), Muse Spark 1.3: 42.6 (#95)
| Benchmark | Llama 3.1 Nemotron 51b Instruct | Muse Spark 1.3 |
|---|---|---|
| LMArena Expert | 1167 | 1516 |
Multimodal Not comparable
Llama 3.1 Nemotron 51b Instruct: —, Muse Spark 1.3: 43.7 (#22)
| Benchmark | Llama 3.1 Nemotron 51b Instruct | Muse Spark 1.3 |
|---|---|---|
| LMArena Vision | — | 1309 |
| LMArena Document | — | 1471 |
Multilingual Muse Spark 1.3 leads
Llama 3.1 Nemotron 51b Instruct: 36.1 (#241), Muse Spark 1.3: 57.4 (#8)
| Benchmark | Llama 3.1 Nemotron 51b Instruct | Muse Spark 1.3 |
|---|---|---|
| LMArena Non-English | 1181 | 1481 |
| LMArena Chinese | 1180 | 1529 |
| LMArena Russian | 1187 | 1490 |
| LMArena French | — | 1524 |
| LMArena German | — | 1515 |
| LMArena Japanese | — | 1474 |
| LMArena Korean | — | 1501 |
| LMArena Spanish | — | 1490 |
Instruction Following Muse Spark 1.3 leads
Llama 3.1 Nemotron 51b Instruct: 62.9 (#233), Muse Spark 1.3: 77.5 (#22)
| Benchmark | Llama 3.1 Nemotron 51b Instruct | Muse Spark 1.3 |
|---|---|---|
| LMArena Instruction Following | 1201 | 1477 |
Long Context Muse Spark 1.3 leads
Llama 3.1 Nemotron 51b Instruct: 36.5 (#230), Muse Spark 1.3: 45.6 (#32)
| Benchmark | Llama 3.1 Nemotron 51b Instruct | Muse Spark 1.3 |
|---|---|---|
| LMArena Longer Query | 1205 | 1488 |
Writing & Preference Muse Spark 1.3 leads
Llama 3.1 Nemotron 51b Instruct: 43.4 (#229), Muse Spark 1.3: 73.6 (#9)
| Benchmark | Llama 3.1 Nemotron 51b Instruct | Muse Spark 1.3 |
|---|---|---|
| LMArena Text | 1228 | 1490 |
| LMArena Creative Writing | 1213 | 1455 |
| LMArena Multi-Turn | 1227 | 1482 |
| EQ-Bench Creative Writing | — | 1906 |
Frequently asked questions
Is Llama 3.1 Nemotron 51b Instruct better than Muse Spark 1.3?
Muse Spark 1.3 is the stronger model overall, scoring 54.8 to 35.9 on the Noometry Index.
Is Llama 3.1 Nemotron 51b Instruct or Muse Spark 1.3 better for coding?
Muse Spark 1.3 scores higher on coding benchmarks: 56.6 versus 35.6 in the Noometry coding category.
How many benchmarks do Llama 3.1 Nemotron 51b Instruct and Muse Spark 1.3 share?
12 benchmarks have published results for both models. Llama 3.1 Nemotron 51b Instruct has 12 scored results on Noometry and Muse Spark 1.3 has 37.