# Claude 2.1 vs Muse Glimmer

> Muse Glimmer is the stronger model overall, scoring 41.3 to 24.9 on the Noometry Index.

- Canonical page: https://noometry.com/compare/claude-2-1-vs-muse-glimmer
- Last updated: 2026-10-10
- Shared benchmarks: 0

## Summary

- The widest gap is in math, where Muse Glimmer leads 36.1 to 9.6.
- Muse Glimmer has downloadable open weights; the other is API-only.

## Snapshot

| | Claude 2.1 | Muse Glimmer |
|---|---|---|
| Provider | Anthropic | Meta |
| Noometry Index | 24.9 | 41.3 |
| Rank | 340 | 128 |
| Context | — | — |
| Input $/M | — | — |
| Output $/M | — | — |
| Weights | Proprietary | Open |

## Coding

- Claude 2.1: 25.8 (#322)
- Muse Glimmer: 38.7 (#157)

| Benchmark | Claude 2.1 | Muse Glimmer |
|---|---|---|
| LMArena WebDev | — | 1355 |
| WeirdML | 7.1% | — |
| LMArena Coding | — | 1417 |

## Reasoning

- Claude 2.1: 20.6 (#216)
- Muse Glimmer: 27.2 (#111)

| Benchmark | Claude 2.1 | Muse Glimmer |
|---|---|---|
| LMArena Hard Prompts | — | 1395 |
| DTBench | 51% | — |
| Epoch Capabilities Index | 119.22 | — |
| ForecastBench | 54.2 | — |

## Math

- Claude 2.1: 9.6 (#309)
- Muse Glimmer: 36.1 (#128)

| Benchmark | Claude 2.1 | Muse Glimmer |
|---|---|---|
| OTIS Mock AIME 2024-2025 | 1.9% | — |
| LMArena Math | — | 1419 |

## Knowledge

- Claude 2.1: 15.5 (#287)
- Muse Glimmer: 37.9 (#140)

| Benchmark | Claude 2.1 | Muse Glimmer |
|---|---|---|
| GPQA Diamond | 33% | — |
| LMArena Expert | — | 1388 |
| MMLU | 73.5% | — |

## Multilingual

- Claude 2.1: —
- Muse Glimmer: 50.6 (#117)

| Benchmark | Claude 2.1 | Muse Glimmer |
|---|---|---|
| LMArena Non-English | — | 1384 |
| LMArena Chinese | — | 1412 |
| LMArena Russian | — | 1393 |

## Instruction Following

- Claude 2.1: —
- Muse Glimmer: 72.7 (#134)

| Benchmark | Claude 2.1 | Muse Glimmer |
|---|---|---|
| LMArena Instruction Following | — | 1374 |

## Long Context

- Claude 2.1: —
- Muse Glimmer: 42.1 (#124)

| Benchmark | Claude 2.1 | Muse Glimmer |
|---|---|---|
| LMArena Longer Query | — | 1381 |

## Writing & Preference

- Claude 2.1: —
- Muse Glimmer: 57.7 (#122)

| Benchmark | Claude 2.1 | Muse Glimmer |
|---|---|---|
| LMArena Text | — | 1389 |
| LMArena Creative Writing | — | 1338 |
| LMArena Multi-Turn | — | 1398 |

## FAQ

### Is Claude 2.1 better than Muse Glimmer?

Muse Glimmer is the stronger model overall, scoring 41.3 to 24.9 on the Noometry Index.

### Is Claude 2.1 or Muse Glimmer better for coding?

Muse Glimmer scores higher on coding benchmarks: 38.7 versus 25.8 in the Noometry coding category.

### How many benchmarks do Claude 2.1 and Muse Glimmer share?

0 benchmarks have published results for both models. Claude 2.1 has 7 scored results on Noometry and Muse Glimmer has 13.