Model comparison
Claude 3.5 Haiku vs Muse Glimmer
Muse Glimmer is the stronger model overall, scoring 41.7 to 29.2 on the Noometry Index.
Last verified . 14 shared benchmarks.
Summary
- They share 14 benchmarks with published results for both. Claude 3.5 Haiku 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 14.7.
- The biggest single-benchmark swing is SciCode: 27.4% for Claude 3.5 Haiku and 44.9% for Muse Glimmer.
- Muse Glimmer has downloadable open weights; the other is API-only.
Side by side
| Claude 3.5 Haiku | Muse Glimmer | |
|---|---|---|
| Provider | Anthropic | Meta |
| Noometry Index | 29.2 | 41.7 |
| Released | 2024-10-22 | 2026-08-10 |
| Weights | Proprietary | Open |
| Context window | — | — |
| Max output | — | — |
| Input $ / M tokens | — | — |
| Output $ / M tokens | — | — |
| Results tracked | 49 | 15 |
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Category by category
Coding Muse Glimmer leads
Claude 3.5 Haiku: 32.9 (#265), Muse Glimmer: 40.4 (#142)
| Benchmark | Claude 3.5 Haiku | Muse Glimmer |
|---|---|---|
| SciCode | 27.4% | 44.9% |
| LMArena Coding | 1286 | 1416 |
| Aider Polyglot | 28% | — |
| LMArena WebDev | — | 1355 |
| WeirdML | 30.7% | — |
| BigCodeBench Instruct | 46.1% | — |
| LiveBench Coding | 51.4% | — |
| BigCodeBench Complete | 59% | — |
| CadEval | 32% | — |
Agentic & Tool Use Not comparable
Claude 3.5 Haiku: 28.0 (#95), Muse Glimmer: —
| Benchmark | Claude 3.5 Haiku | Muse Glimmer |
|---|---|---|
| BALROG | 19.3% | — |
Reasoning Muse Glimmer leads
Claude 3.5 Haiku: 17.7 (#290), Muse Glimmer: 25.7 (#144)
| Benchmark | Claude 3.5 Haiku | Muse Glimmer |
|---|---|---|
| CritPt | 0% | 2.6% |
| LMArena Hard Prompts | 1251 | 1396 |
| LiveBench Reasoning | 28.1% | — |
| DTBench | 56.7% | — |
| LiveBench Data Analysis | 48.5% | — |
| Epoch Capabilities Index | 127.15 | — |
| LiveBench | 43.5% | — |
Math Muse Glimmer leads
Claude 3.5 Haiku: 14.7 (#300), Muse Glimmer: 38.8 (#125)
| Benchmark | Claude 3.5 Haiku | Muse Glimmer |
|---|---|---|
| LMArena Math | 1244 | 1417 |
| OTIS Mock AIME 2024-2025 | 4.3% | — |
| Omni-MATH | 22.4% | — |
| LiveBench Math | 35.5% | — |
| MATH Level 5 | 46.4% | — |
| FrontierMath (Feb 2025 set) | 0.3% | — |
Knowledge Muse Glimmer leads
Claude 3.5 Haiku: 18.7 (#281), Muse Glimmer: 38.5 (#143)
| Benchmark | Claude 3.5 Haiku | Muse Glimmer |
|---|---|---|
| LMArena Expert | 1208 | 1386 |
| GPQA Diamond | 38.1% | — |
| MMLU-Pro | 60.5% | — |
| Confabulations | 36.7% | — |
| GPQA (HELM) | 36.3% | — |
| MMLU | 74.3% | — |
Multimodal Not comparable
Claude 3.5 Haiku: 26.8 (#117), Muse Glimmer: —
| Benchmark | Claude 3.5 Haiku | Muse Glimmer |
|---|---|---|
| LMArena Vision | 1092 | — |
| GeoBench | 34% | — |
Multilingual Muse Glimmer leads
Claude 3.5 Haiku: 40.0 (#218), Muse Glimmer: 50.5 (#122)
| Benchmark | Claude 3.5 Haiku | Muse Glimmer |
|---|---|---|
| LMArena Non-English | 1238 | 1384 |
| LMArena Chinese | 1229 | 1412 |
| LMArena Russian | 1253 | 1390 |
| LMArena French | 1264 | — |
| LMArena German | 1237 | — |
| LMArena Japanese | 1175 | — |
| LMArena Korean | 1173 | — |
| LMArena Spanish | 1261 | — |
Instruction Following Muse Glimmer leads
Claude 3.5 Haiku: 62.9 (#234), Muse Glimmer: 72.6 (#135)
| Benchmark | Claude 3.5 Haiku | Muse Glimmer |
|---|---|---|
| LMArena Instruction Following | 1241 | 1375 |
| LiveBench Instruction Following | 61.9% | — |
| IFEval | 79.2% | — |
Long Context Muse Glimmer leads
Claude 3.5 Haiku: 38.3 (#200), Muse Glimmer: 42.1 (#129)
| Benchmark | Claude 3.5 Haiku | Muse Glimmer |
|---|---|---|
| LMArena Longer Query | 1261 | 1382 |
Writing & Preference Muse Glimmer leads
Claude 3.5 Haiku: 42.7 (#234), Muse Glimmer: 57.5 (#126)
| Benchmark | Claude 3.5 Haiku | Muse Glimmer |
|---|---|---|
| LMArena Text | 1255 | 1389 |
| LMArena Creative Writing | 1233 | 1339 |
| LMArena Multi-Turn | 1265 | 1399 |
| Short-Story Creative Writing | 73.5% | — |
| EQ-Bench Creative Writing | 1146 | — |
| WildBench | 76% | — |
| LiveBench Language | 35.4% | — |
Frequently asked questions
Is Claude 3.5 Haiku better than Muse Glimmer?
Muse Glimmer is the stronger model overall, scoring 41.7 to 29.2 on the Noometry Index.
Is Claude 3.5 Haiku or Muse Glimmer better for coding?
Muse Glimmer scores higher on coding benchmarks: 40.4 versus 32.9 in the Noometry coding category.
How many benchmarks do Claude 3.5 Haiku and Muse Glimmer share?
14 benchmarks have published results for both models. Claude 3.5 Haiku has 49 scored results on Noometry and Muse Glimmer has 15.