Model comparison
Llama 3.1-405B vs Muse Spark 1.1
Muse Spark 1.1 is the stronger model overall, scoring 49.9 to 30.7 on the Noometry Index.
Last verified . 20 shared benchmarks.
MetaSummary
- They share 20 benchmarks with published results for both. Llama 3.1-405B scores higher in 0 categories and Muse Spark 1.1 in 9 categories; 9 gaps are clear of the uncertainty.
- The widest gap is in writing & preference, where Muse Spark 1.1 leads 73.4 to 38.9.
- The biggest single-benchmark swing is DTBench: 61.4% for Llama 3.1-405B and 94.4% for Muse Spark 1.1.
- Llama 3.1-405B has downloadable open weights; the other is API-only.
Side by side
| Llama 3.1-405B | Muse Spark 1.1 | |
|---|---|---|
| Provider | Meta | Meta |
| Noometry Index | 30.7 | 49.9 |
| Released | 2024-07-23 | 2026-04-08 |
| Weights | Open | Proprietary |
| Context window | — | 1.05M |
| Max output | — | 131K |
| Input $ / M tokens | — | $1.25 |
| Output $ / M tokens | — | $4.25 |
| Results tracked | 42 | 37 |
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Category by category
Coding Muse Spark 1.1 leads
Llama 3.1-405B: 33.1 (#262), Muse Spark 1.1: 51.3 (#40)
| Benchmark | Llama 3.1-405B | Muse Spark 1.1 |
|---|---|---|
| LMArena Coding | 1291 | 1498 |
| DeepSWE | — | 53.3% |
| LMArena WebDev | — | 1542 |
| SciCode | — | 58.8% |
| WeirdML | 21.4% | — |
Agentic & Tool Use Muse Spark 1.1 leads
Llama 3.1-405B: 21.0 (#140), Muse Spark 1.1: 30.8 (#73)
| Benchmark | Llama 3.1-405B | Muse Spark 1.1 |
|---|---|---|
| APEX-Agents | — | 31.8% |
| TheAgentCompany | 7.4% | — |
| τ²-bench Banking | — | 40.5% |
| Cybench | 7.5% | — |
| GBAEval | — | 7.9% |
| GDP.pdf | — | 15% |
| Vending-Bench 2 | — | 6,520 |
Reasoning Muse Spark 1.1 leads
Llama 3.1-405B: 16.8 (#300), Muse Spark 1.1: 47.1 (#44)
| Benchmark | Llama 3.1-405B | Muse Spark 1.1 |
|---|---|---|
| LMArena Hard Prompts | 1269 | 1486 |
| DTBench | 61.4% | 94.4% |
| Epoch Capabilities Index | 128.75 | 154.21 |
| SimpleBench | 23% | — |
| Kagi LLM Benchmark | 45% | — |
| NYT Connections (extended) | — | 84.9% |
| CritPt | — | 15.1% |
| LMCA | — | 49.9% |
| Surface Evolver Bench | — | 52.5% |
| BIG-Bench Hard | 82.9% | — |
| ForecastBench | 59.9 | — |
| HellaSwag | 89.2% | — |
| PIQA | 85.9% | — |
| WinoGrande | 89.2% | — |
Math Muse Spark 1.1 leads
Llama 3.1-405B: 18.4 (#290), Muse Spark 1.1: 45.5 (#76)
| Benchmark | Llama 3.1-405B | Muse Spark 1.1 |
|---|---|---|
| LMArena Math | 1281 | 1483 |
| OTIS Mock AIME 2024-2025 | 9.7% | — |
| ProofBench | — | 39% |
| Omni-MATH | 24.9% | — |
| MATH Level 5 | 49.8% | — |
Knowledge Muse Spark 1.1 leads
Llama 3.1-405B: 30.4 (#227), Muse Spark 1.1: 53.1 (#59)
| Benchmark | Llama 3.1-405B | Muse Spark 1.1 |
|---|---|---|
| LMArena Expert | 1243 | 1478 |
| GPQA Diamond | 50.9% | — |
| SimpleQA Verified | — | 57.8% |
| MMLU-Pro | 72.3% | — |
| Confabulations | 17.6% | — |
| GPQA (HELM) | 52.2% | — |
| ARC (AI2) Challenge | 95.3% | — |
| MMLU | 84.5% | — |
| TriviaQA | 82.7% | — |
Multimodal Not comparable
Llama 3.1-405B: —, Muse Spark 1.1: 42.6 (#29)
| Benchmark | Llama 3.1-405B | Muse Spark 1.1 |
|---|---|---|
| LMArena Vision | — | 1293 |
| LMArena Document | — | 1465 |
Multilingual Muse Spark 1.1 leads
Llama 3.1-405B: 40.7 (#214), Muse Spark 1.1: 56.7 (#17)
| Benchmark | Llama 3.1-405B | Muse Spark 1.1 |
|---|---|---|
| LMArena Non-English | 1248 | 1472 |
| LMArena Chinese | 1242 | 1518 |
| LMArena French | 1279 | 1494 |
| LMArena German | 1252 | 1466 |
| LMArena Japanese | 1208 | 1451 |
| LMArena Korean | 1184 | 1458 |
| LMArena Russian | 1265 | 1483 |
| LMArena Spanish | 1260 | 1464 |
Instruction Following Muse Spark 1.1 leads
Llama 3.1-405B: 65.9 (#214), Muse Spark 1.1: 76.5 (#39)
| Benchmark | Llama 3.1-405B | Muse Spark 1.1 |
|---|---|---|
| LMArena Instruction Following | 1259 | 1457 |
| IFEval | 81.1% | — |
Long Context Muse Spark 1.1 leads
Llama 3.1-405B: 38.4 (#197), Muse Spark 1.1: 44.8 (#58)
| Benchmark | Llama 3.1-405B | Muse Spark 1.1 |
|---|---|---|
| LMArena Longer Query | 1266 | 1462 |
Writing & Preference Muse Spark 1.1 leads
Llama 3.1-405B: 38.9 (#251), Muse Spark 1.1: 73.4 (#11)
| Benchmark | Llama 3.1-405B | Muse Spark 1.1 |
|---|---|---|
| LMArena Text | 1284 | 1479 |
| LMArena Creative Writing | 1262 | 1437 |
| EQ-Bench Creative Writing | 870 | 1927 |
| LMArena Multi-Turn | 1297 | 1485 |
| WildBench | 78.3% | — |
| EQ-Bench 4 | — | 1260 |
Frequently asked questions
Is Llama 3.1-405B better than Muse Spark 1.1?
Muse Spark 1.1 is the stronger model overall, scoring 49.9 to 30.7 on the Noometry Index.
Is Llama 3.1-405B or Muse Spark 1.1 better for coding?
Muse Spark 1.1 scores higher on coding benchmarks: 51.3 versus 33.1 in the Noometry coding category.
How many benchmarks do Llama 3.1-405B and Muse Spark 1.1 share?
20 benchmarks have published results for both models. Llama 3.1-405B has 42 scored results on Noometry and Muse Spark 1.1 has 37.