Model comparison
Llama 3.1 Nemotron Ultra 253b v1 vs Muse Spark 1.3
Muse Spark 1.3 is the stronger model overall, scoring 54.8 to 36.7 on the Noometry Index.
Last verified . 10 shared benchmarks.
NVIDIA
MetaSummary
- They share 10 benchmarks with published results for both. Llama 3.1 Nemotron Ultra 253b v1 scores higher in 0 categories and Muse Spark 1.3 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 37.5.
- 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 | Muse Spark 1.3 | |
|---|---|---|
| Provider | NVIDIA | Meta |
| Noometry Index | 36.7 | 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 | 11 | 37 |
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Category by category
Coding Muse Spark 1.3 leads
Llama 3.1 Nemotron Ultra 253b v1: 38.4 (#177), Muse Spark 1.3: 56.6 (#21)
| Benchmark | Llama 3.1 Nemotron Ultra 253b v1 | Muse Spark 1.3 |
|---|---|---|
| LMArena Coding | 1312 | 1514 |
| CursorBench | — | 41.6% |
| LMArena WebDev | — | 1657 |
| SciCode | — | 59.7% |
Agentic & Tool Use Muse Spark 1.3 leads
Llama 3.1 Nemotron Ultra 253b v1: 15.7 (#149), Muse Spark 1.3: 38.6 (#30)
| Benchmark | Llama 3.1 Nemotron Ultra 253b v1 | Muse Spark 1.3 |
|---|---|---|
| APEX-Agents | — | 57.8% |
| Berkeley Function Calling Leaderboard | 10% | — |
| GDP.pdf | — | 27.6% |
Reasoning Muse Spark 1.3 leads
Llama 3.1 Nemotron Ultra 253b v1: 26.3 (#134), Muse Spark 1.3: 54.0 (#27)
| Benchmark | Llama 3.1 Nemotron Ultra 253b v1 | Muse Spark 1.3 |
|---|---|---|
| LMArena Hard Prompts | 1316 | 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 Ultra 253b v1: 37.5 (#152), Muse Spark 1.3: 73.1 (#21)
| Benchmark | Llama 3.1 Nemotron Ultra 253b v1 | Muse Spark 1.3 |
|---|---|---|
| LMArena Math | 1360 | 1494 |
| FrontierMath (Tiers 1-3) | — | 74.4% |
| FrontierMath Tier 4 | — | 46.3% |
| OTIS Mock AIME 2024-2025 | — | 99.2% |
| ProofBench | — | 58% |
Knowledge Not comparable
Llama 3.1 Nemotron Ultra 253b v1: —, Muse Spark 1.3: 42.6 (#95)
| Benchmark | Llama 3.1 Nemotron Ultra 253b v1 | Muse Spark 1.3 |
|---|---|---|
| LMArena Expert | — | 1516 |
Multimodal Not comparable
Llama 3.1 Nemotron Ultra 253b v1: —, Muse Spark 1.3: 43.7 (#22)
| Benchmark | Llama 3.1 Nemotron Ultra 253b v1 | Muse Spark 1.3 |
|---|---|---|
| LMArena Vision | — | 1309 |
| LMArena Document | — | 1471 |
Multilingual Muse Spark 1.3 leads
Llama 3.1 Nemotron Ultra 253b v1: 43.1 (#187), Muse Spark 1.3: 57.4 (#8)
| Benchmark | Llama 3.1 Nemotron Ultra 253b v1 | Muse Spark 1.3 |
|---|---|---|
| LMArena Non-English | 1282 | 1481 |
| LMArena Russian | 1284 | 1490 |
| LMArena Chinese | — | 1529 |
| 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 Ultra 253b v1: 69.0 (#178), Muse Spark 1.3: 77.5 (#22)
| Benchmark | Llama 3.1 Nemotron Ultra 253b v1 | Muse Spark 1.3 |
|---|---|---|
| LMArena Instruction Following | 1308 | 1477 |
Long Context Muse Spark 1.3 leads
Llama 3.1 Nemotron Ultra 253b v1: 39.5 (#177), Muse Spark 1.3: 45.6 (#32)
| Benchmark | Llama 3.1 Nemotron Ultra 253b v1 | Muse Spark 1.3 |
|---|---|---|
| LMArena Longer Query | 1299 | 1488 |
Writing & Preference Muse Spark 1.3 leads
Llama 3.1 Nemotron Ultra 253b v1: 52.2 (#175), Muse Spark 1.3: 73.6 (#9)
| Benchmark | Llama 3.1 Nemotron Ultra 253b v1 | Muse Spark 1.3 |
|---|---|---|
| LMArena Text | 1320 | 1490 |
| LMArena Creative Writing | 1314 | 1455 |
| LMArena Multi-Turn | 1317 | 1482 |
| EQ-Bench Creative Writing | — | 1906 |
Frequently asked questions
Is Llama 3.1 Nemotron Ultra 253b v1 better than Muse Spark 1.3?
Muse Spark 1.3 is the stronger model overall, scoring 54.8 to 36.7 on the Noometry Index.
Is Llama 3.1 Nemotron Ultra 253b v1 or Muse Spark 1.3 better for coding?
Muse Spark 1.3 scores higher on coding benchmarks: 56.6 versus 38.4 in the Noometry coding category.
How many benchmarks do Llama 3.1 Nemotron Ultra 253b v1 and Muse Spark 1.3 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 1.3 has 37.