# Claude 3.5 Sonnet vs Muse Glimmer

> Muse Glimmer is the stronger model overall, scoring 41.3 to 34.4 on the Noometry Index.

- Canonical page: https://noometry.com/compare/claude-3-5-sonnet-vs-muse-glimmer
- Last updated: 2026-10-10
- Shared benchmarks: 12

## Summary

- They share 12 benchmarks with published results for both. Claude 3.5 Sonnet scores higher in 1 category and Muse Glimmer in 7 categories; 7 gaps are clear of the uncertainty.
- The widest gap is in math, where Muse Glimmer leads 36.1 to 18.0.
- Muse Glimmer has downloadable open weights; the other is API-only.

## Snapshot

| | Claude 3.5 Sonnet | Muse Glimmer |
|---|---|---|
| Provider | Anthropic | Meta |
| Noometry Index | 34.4 | 41.3 |
| Rank | 225 | 128 |
| Context | — | — |
| Input $/M | — | — |
| Output $/M | — | — |
| Weights | Proprietary | Open |

## Coding

- Claude 3.5 Sonnet: 39.5 (#145)
- Muse Glimmer: 38.7 (#157)

| Benchmark | Claude 3.5 Sonnet | Muse Glimmer |
|---|---|---|
| LMArena Coding | 1343 | 1417 |
| Aider Polyglot | 51.6% | — |
| LMArena WebDev | — | 1355 |
| 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 Glimmer: —

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

## Reasoning

- Claude 3.5 Sonnet: 22.5 (#176)
- Muse Glimmer: 27.2 (#111)

| Benchmark | Claude 3.5 Sonnet | Muse Glimmer |
|---|---|---|
| LMArena Hard Prompts | 1305 | 1395 |
| SimpleBench | 41.4% | — |
| EnigmaEval | 0.9% | — |
| LiveBench Reasoning | 56.7% | — |
| DTBench | 67.8% | — |
| LiveBench Data Analysis | 55% | — |
| Epoch Capabilities Index | 133.55 | — |
| ForecastBench | 60.7 | — |
| LiveBench | 59% | — |

## Math

- Claude 3.5 Sonnet: 18.0 (#282)
- Muse Glimmer: 36.1 (#128)

| Benchmark | Claude 3.5 Sonnet | Muse Glimmer |
|---|---|---|
| LMArena Math | 1306 | 1419 |
| OTIS Mock AIME 2024-2025 | 8.5% | — |
| Omni-MATH | 27.6% | — |
| LiveBench Math | 52.3% | — |
| MATH Level 5 | 56.9% | — |
| FrontierMath (Feb 2025 set) | 2.1% | — |
| FrontierMath Tier 4 (v1) | 0% | — |

## Knowledge

- Claude 3.5 Sonnet: 28.5 (#236)
- Muse Glimmer: 37.9 (#140)

| Benchmark | Claude 3.5 Sonnet | Muse Glimmer |
|---|---|---|
| LMArena Expert | 1264 | 1388 |
| GPQA Diamond | 55.3% | — |
| Humanity's Last Exam | 4.1% | — |
| MMLU-Pro | 77.7% | — |
| Confabulations | 19.9% | — |
| GPQA (HELM) | 56.5% | — |
| MMLU | 87.3% | — |

## Multimodal

- Claude 3.5 Sonnet: 26.0 (#115)
- Muse Glimmer: —

| Benchmark | Claude 3.5 Sonnet | Muse Glimmer |
|---|---|---|
| LMArena Vision | 1125 | — |
| Video-MME | 60% | — |
| GeoBench | 62% | — |
| VPCT | 33% | — |

## Multilingual

- Claude 3.5 Sonnet: 43.4 (#180)
- Muse Glimmer: 50.6 (#117)

| Benchmark | Claude 3.5 Sonnet | Muse Glimmer |
|---|---|---|
| LMArena Non-English | 1283 | 1384 |
| LMArena Chinese | 1271 | 1412 |
| LMArena Russian | 1305 | 1393 |
| LMArena French | 1304 | — |
| LMArena German | 1297 | — |
| LMArena Japanese | 1234 | — |
| LMArena Korean | 1200 | — |
| LMArena Spanish | 1289 | — |

## Instruction Following

- Claude 3.5 Sonnet: 69.0 (#177)
- Muse Glimmer: 72.7 (#134)

| Benchmark | Claude 3.5 Sonnet | Muse Glimmer |
|---|---|---|
| LMArena Instruction Following | 1297 | 1374 |
| LiveBench Instruction Following | 69.3% | — |
| IFEval | 85.5% | — |

## Long Context

- Claude 3.5 Sonnet: 39.9 (#162)
- Muse Glimmer: 42.1 (#124)

| Benchmark | Claude 3.5 Sonnet | Muse Glimmer |
|---|---|---|
| LMArena Longer Query | 1311 | 1381 |

## Writing & Preference

- Claude 3.5 Sonnet: 53.0 (#159)
- Muse Glimmer: 57.7 (#122)

| Benchmark | Claude 3.5 Sonnet | Muse Glimmer |
|---|---|---|
| LMArena Text | 1298 | 1389 |
| LMArena Creative Writing | 1292 | 1338 |
| LMArena Multi-Turn | 1326 | 1398 |
| 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 Glimmer?

Muse Glimmer is the stronger model overall, scoring 41.3 to 34.4 on the Noometry Index.

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

They score almost the same on coding (39.5 vs 38.7); test both on your own repository before choosing.

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

12 benchmarks have published results for both models. Claude 3.5 Sonnet has 60 scored results on Noometry and Muse Glimmer has 13.