# Claude 3.5 Sonnet vs Muse Spark

> Muse Spark is the stronger model overall, scoring 50.3 to 34.4 on the Noometry Index.

- Canonical page: https://noometry.com/compare/claude-3-5-sonnet-vs-muse-spark
- Last updated: 2026-10-10
- Shared benchmarks: 23

## Summary

- They share 23 benchmarks with published results for both. Claude 3.5 Sonnet scores higher in 0 categories and Muse Spark in 9 categories; 9 gaps are clear of the uncertainty.
- The widest gap is in knowledge, where Muse Spark leads 65.7 to 28.5.
- The biggest single-benchmark swing is OTIS Mock AIME 2024-2025: 8.5% for Claude 3.5 Sonnet and 88.9% for Muse Spark.

## Snapshot

| | Claude 3.5 Sonnet | Muse Spark |
|---|---|---|
| Provider | Anthropic | Meta |
| Noometry Index | 34.4 | 50.3 |
| Rank | 225 | 41 |
| Context | — | — |
| Input $/M | — | — |
| Output $/M | — | — |
| Weights | Proprietary | Proprietary |

## Coding

- Claude 3.5 Sonnet: 39.5 (#145)
- Muse Spark: 45.6 (#65)

| Benchmark | Claude 3.5 Sonnet | Muse Spark |
|---|---|---|
| LMArena Coding | 1343 | 1482 |
| Aider Polyglot | 51.6% | — |
| SciCode | — | 51.5% |
| GSO | 4.6% | — |
| WeirdML | 40% | — |
| BigCodeBench Instruct | 46.8% | — |
| LiveBench Coding | 67.1% | — |
| BigCodeBench Complete | 58.6% | — |
| CadEval | 48% | — |
| HumanEval+ | 81.7% | — |
| MBPP+ | 74.3% | — |

## Agentic & Tool Use

- Claude 3.5 Sonnet: 32.1 (#61)
- Muse Spark: —

| Benchmark | Claude 3.5 Sonnet | Muse Spark |
|---|---|---|
| TheAgentCompany | 24% | — |
| Cybench | 17.5% | — |
| BALROG | 32.6% | — |
| METR Time Horizons | 45.2% | — |

## Reasoning

- Claude 3.5 Sonnet: 22.5 (#176)
- Muse Spark: 34.9 (#61)

| Benchmark | Claude 3.5 Sonnet | Muse Spark |
|---|---|---|
| LMArena Hard Prompts | 1305 | 1475 |
| Epoch Capabilities Index | 133.55 | 152.09 |
| SimpleBench | 41.4% | — |
| CritPt | — | 11.3% |
| EnigmaEval | 0.9% | — |
| LiveBench Reasoning | 56.7% | — |
| DTBench | 67.8% | — |
| LiveBench Data Analysis | 55% | — |
| ForecastBench | 60.7 | — |
| LiveBench | 59% | — |

## Math

- Claude 3.5 Sonnet: 18.0 (#282)
- Muse Spark: 46.8 (#57)

| Benchmark | Claude 3.5 Sonnet | Muse Spark |
|---|---|---|
| OTIS Mock AIME 2024-2025 | 8.5% | 88.9% |
| LMArena Math | 1306 | 1455 |
| FrontierMath (Feb 2025 set) | 2.1% | 39% |
| FrontierMath Tier 4 (v1) | 0% | 14.6% |
| ProofBench | — | 17% |
| Omni-MATH | 27.6% | — |
| LiveBench Math | 52.3% | — |
| MATH Level 5 | 56.9% | — |

## Knowledge

- Claude 3.5 Sonnet: 28.5 (#236)
- Muse Spark: 65.7 (#12)

| Benchmark | Claude 3.5 Sonnet | Muse Spark |
|---|---|---|
| GPQA Diamond | 55.3% | 89.8% |
| Humanity's Last Exam | 4.1% | 40.6% |
| LMArena Expert | 1264 | 1458 |
| MMLU-Pro | 77.7% | — |
| Confabulations | 19.9% | — |
| GPQA (HELM) | 56.5% | — |
| MMLU | 87.3% | — |

## Multimodal

- Claude 3.5 Sonnet: 26.0 (#115)
- Muse Spark: 42.7 (#23)

| Benchmark | Claude 3.5 Sonnet | Muse Spark |
|---|---|---|
| LMArena Vision | 1125 | 1306 |
| Video-MME | 60% | — |
| GeoBench | 62% | — |
| VPCT | 33% | — |
| LMArena Document | — | 1444 |

## Multilingual

- Claude 3.5 Sonnet: 43.4 (#180)
- Muse Spark: 56.3 (#23)

| Benchmark | Claude 3.5 Sonnet | Muse Spark |
|---|---|---|
| LMArena Non-English | 1283 | 1464 |
| LMArena Chinese | 1271 | 1507 |
| LMArena French | 1304 | 1497 |
| LMArena German | 1297 | 1497 |
| LMArena Korean | 1200 | 1457 |
| LMArena Russian | 1305 | 1467 |
| LMArena Spanish | 1289 | 1471 |
| LMArena Japanese | 1234 | — |

## Instruction Following

- Claude 3.5 Sonnet: 69.0 (#177)
- Muse Spark: 76.1 (#47)

| Benchmark | Claude 3.5 Sonnet | Muse Spark |
|---|---|---|
| LMArena Instruction Following | 1297 | 1443 |
| LiveBench Instruction Following | 69.3% | — |
| IFEval | 85.5% | — |

## Long Context

- Claude 3.5 Sonnet: 39.9 (#162)
- Muse Spark: 44.4 (#65)

| Benchmark | Claude 3.5 Sonnet | Muse Spark |
|---|---|---|
| LMArena Longer Query | 1311 | 1451 |

## Writing & Preference

- Claude 3.5 Sonnet: 53.0 (#159)
- Muse Spark: 66.2 (#37)

| Benchmark | Claude 3.5 Sonnet | Muse Spark |
|---|---|---|
| LMArena Text | 1298 | 1474 |
| LMArena Creative Writing | 1292 | 1460 |
| LMArena Multi-Turn | 1326 | 1477 |
| Short-Story Creative Writing | 80.3% | — |
| EQ-Bench Creative Writing | 1451 | — |
| WildBench | 79.2% | — |
| LiveBench Language | 53.8% | — |

## FAQ

### Is Claude 3.5 Sonnet better than Muse Spark?

Muse Spark is the stronger model overall, scoring 50.3 to 34.4 on the Noometry Index.

### Is Claude 3.5 Sonnet or Muse Spark better for coding?

Muse Spark scores higher on coding benchmarks: 45.6 versus 39.5 in the Noometry coding category.

### How many benchmarks do Claude 3.5 Sonnet and Muse Spark share?

23 benchmarks have published results for both models. Claude 3.5 Sonnet has 60 scored results on Noometry and Muse Spark has 27.