# Muse Glimmer vs Solar Pro4

> Muse Glimmer and Solar Pro4 score almost the same on the Noometry Index (41.7 vs 42.1), so choose on price, context window or the category you care about most.

- Canonical page: https://noometry.com/compare/muse-glimmer-vs-solar-pro4
- Last updated: 2026-10-10
- Shared benchmarks: 13

## Summary

- They share 13 benchmarks with published results for both. Muse Glimmer scores higher in 5 categories and Solar Pro4 in 3 categories; 4 gaps are clear of the uncertainty.
- Muse Glimmer has downloadable open weights; the other is API-only.

## Snapshot

| | Muse Glimmer | Solar Pro4 |
|---|---|---|
| Provider | Meta | Upstage |
| Noometry Index | 41.7 | 42.1 |
| Rank | 131 | 121 |
| Context | — | 524K |
| Input $/M | — | $0.30 |
| Output $/M | — | $1.20 |
| Weights | Open | Proprietary |

## Coding

- Muse Glimmer: 40.4 (#142)
- Solar Pro4: 40.1 (#149)

| Benchmark | Muse Glimmer | Solar Pro4 |
|---|---|---|
| LMArena WebDev | 1355 | 1371 |
| LMArena Coding | 1416 | 1437 |
| SciCode | 44.9% | — |

## Reasoning

- Muse Glimmer: 25.7 (#144)
- Solar Pro4: 28.5 (#104)

| Benchmark | Muse Glimmer | Solar Pro4 |
|---|---|---|
| LMArena Hard Prompts | 1396 | 1399 |
| CritPt | 2.6% | — |

## Math

- Muse Glimmer: 38.8 (#125)
- Solar Pro4: 38.8 (#128)

| Benchmark | Muse Glimmer | Solar Pro4 |
|---|---|---|
| LMArena Math | 1417 | 1416 |

## Knowledge

- Muse Glimmer: 38.5 (#143)
- Solar Pro4: 39.8 (#129)

| Benchmark | Muse Glimmer | Solar Pro4 |
|---|---|---|
| LMArena Expert | 1386 | 1427 |

## Multilingual

- Muse Glimmer: 50.5 (#122)
- Solar Pro4: 48.7 (#139)

| Benchmark | Muse Glimmer | Solar Pro4 |
|---|---|---|
| LMArena Non-English | 1384 | 1361 |
| LMArena Chinese | 1412 | 1415 |
| LMArena Russian | 1390 | 1360 |
| LMArena French | — | 1397 |
| LMArena German | — | 1364 |
| LMArena Japanese | — | 1309 |
| LMArena Korean | — | 1382 |
| LMArena Spanish | — | 1401 |

## Instruction Following

- Muse Glimmer: 72.6 (#135)
- Solar Pro4: 72.7 (#132)

| Benchmark | Muse Glimmer | Solar Pro4 |
|---|---|---|
| LMArena Instruction Following | 1375 | 1377 |

## Long Context

- Muse Glimmer: 42.1 (#129)
- Solar Pro4: 42.1 (#130)

| Benchmark | Muse Glimmer | Solar Pro4 |
|---|---|---|
| LMArena Longer Query | 1382 | 1381 |

## Writing & Preference

- Muse Glimmer: 57.5 (#126)
- Solar Pro4: 56.5 (#138)

| Benchmark | Muse Glimmer | Solar Pro4 |
|---|---|---|
| LMArena Text | 1389 | 1386 |
| LMArena Creative Writing | 1339 | 1316 |
| LMArena Multi-Turn | 1399 | 1385 |

## FAQ

### Is Muse Glimmer better than Solar Pro4?

Muse Glimmer and Solar Pro4 score almost the same on the Noometry Index (41.7 vs 42.1), so choose on price, context window or the category you care about most.

### Is Muse Glimmer or Solar Pro4 better for coding?

They score almost the same on coding (40.4 vs 40.1); test both on your own repository before choosing.

### How many benchmarks do Muse Glimmer and Solar Pro4 share?

13 benchmarks have published results for both models. Muse Glimmer has 15 scored results on Noometry and Solar Pro4 has 18.