Model comparison
Claude 3.5 Sonnet vs Muse Glimmer
Muse Glimmer is the stronger model overall, scoring 41.7 to 34.6 on the Noometry Index.
Last verified . 12 shared benchmarks.
MetaSummary
- They share 12 benchmarks with published results for both. Claude 3.5 Sonnet scores higher in 0 categories and Muse Glimmer in 8 categories; 8 gaps are clear of the uncertainty.
- The widest gap is in math, where Muse Glimmer leads 38.8 to 19.2.
- Muse Glimmer has downloadable open weights; the other is API-only.
Side by side
| Claude 3.5 Sonnet | Muse Glimmer | |
|---|---|---|
| Provider | Anthropic | Meta |
| Noometry Index | 34.6 | 41.7 |
| Released | 2024-06-20 | 2026-08-10 |
| Weights | Proprietary | Open |
| Context window | — | — |
| Max output | — | — |
| Input $ / M tokens | — | — |
| Output $ / M tokens | — | — |
| Results tracked | 60 | 15 |
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Category by category
Coding Muse Glimmer leads
Claude 3.5 Sonnet: 39.0 (#165), Muse Glimmer: 40.4 (#142)
| Benchmark | Claude 3.5 Sonnet | Muse Glimmer |
|---|---|---|
| LMArena Coding | 1342 | 1416 |
| Aider Polyglot | 51.6% | — |
| LMArena WebDev | — | 1355 |
| SciCode | — | 44.9% |
| 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 Not comparable
Claude 3.5 Sonnet: 32.3 (#67), Muse Glimmer: —
| Benchmark | Claude 3.5 Sonnet | Muse Glimmer |
|---|---|---|
| TheAgentCompany | 24% | — |
| Cybench | 17.5% | — |
| BALROG | 32.6% | — |
| METR Time Horizons | 45.2% | — |
Reasoning Muse Glimmer leads
Claude 3.5 Sonnet: 23.1 (#183), Muse Glimmer: 25.7 (#144)
| Benchmark | Claude 3.5 Sonnet | Muse Glimmer |
|---|---|---|
| LMArena Hard Prompts | 1305 | 1396 |
| SimpleBench | 41.4% | — |
| CritPt | — | 2.6% |
| 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 Muse Glimmer leads
Claude 3.5 Sonnet: 19.2 (#288), Muse Glimmer: 38.8 (#125)
| Benchmark | Claude 3.5 Sonnet | Muse Glimmer |
|---|---|---|
| LMArena Math | 1307 | 1417 |
| 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 Muse Glimmer leads
Claude 3.5 Sonnet: 28.6 (#245), Muse Glimmer: 38.5 (#143)
| Benchmark | Claude 3.5 Sonnet | Muse Glimmer |
|---|---|---|
| LMArena Expert | 1265 | 1386 |
| 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 Not comparable
Claude 3.5 Sonnet: 26.5 (#120), Muse Glimmer: —
| Benchmark | Claude 3.5 Sonnet | Muse Glimmer |
|---|---|---|
| LMArena Vision | 1125 | — |
| Video-MME | 60% | — |
| GeoBench | 62% | — |
| VPCT | 33% | — |
Multilingual Muse Glimmer leads
Claude 3.5 Sonnet: 43.2 (#185), Muse Glimmer: 50.5 (#122)
| Benchmark | Claude 3.5 Sonnet | Muse Glimmer |
|---|---|---|
| LMArena Non-English | 1283 | 1384 |
| LMArena Chinese | 1272 | 1412 |
| LMArena Russian | 1306 | 1390 |
| LMArena French | 1305 | — |
| LMArena German | 1297 | — |
| LMArena Japanese | 1234 | — |
| LMArena Korean | 1200 | — |
| LMArena Spanish | 1290 | — |
Instruction Following Muse Glimmer leads
Claude 3.5 Sonnet: 68.8 (#182), Muse Glimmer: 72.6 (#135)
| Benchmark | Claude 3.5 Sonnet | Muse Glimmer |
|---|---|---|
| LMArena Instruction Following | 1297 | 1375 |
| LiveBench Instruction Following | 69.3% | — |
| IFEval | 85.5% | — |
Long Context Muse Glimmer leads
Claude 3.5 Sonnet: 39.9 (#167), Muse Glimmer: 42.1 (#129)
| Benchmark | Claude 3.5 Sonnet | Muse Glimmer |
|---|---|---|
| LMArena Longer Query | 1311 | 1382 |
Writing & Preference Muse Glimmer leads
Claude 3.5 Sonnet: 52.9 (#164), Muse Glimmer: 57.5 (#126)
| Benchmark | Claude 3.5 Sonnet | Muse Glimmer |
|---|---|---|
| LMArena Text | 1298 | 1389 |
| LMArena Creative Writing | 1292 | 1339 |
| LMArena Multi-Turn | 1326 | 1399 |
| Short-Story Creative Writing | 80.3% | — |
| EQ-Bench Creative Writing | 1451 | — |
| WildBench | 79.2% | — |
| LiveBench Language | 53.8% | — |
Frequently asked questions
Is Claude 3.5 Sonnet better than Muse Glimmer?
Muse Glimmer is the stronger model overall, scoring 41.7 to 34.6 on the Noometry Index.
Is Claude 3.5 Sonnet or Muse Glimmer better for coding?
Muse Glimmer scores higher on coding benchmarks: 40.4 versus 39.0 in the Noometry coding category.
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 15.