# Devstral Small 2505 vs Muse Glimmer

> Muse Glimmer is the stronger model overall, scoring 41.7 to 34.3 on the Noometry Index.

- Canonical page: https://noometry.com/compare/devstral-small-vs-muse-glimmer
- Last updated: 2026-10-11
- Shared benchmarks: 2

## Summary

- They share 2 benchmarks with published results for both. Devstral Small 2505 scores higher in 0 categories and Muse Glimmer in 2 categories; 2 gaps are clear of the uncertainty.
- The widest gap is in reasoning, where Muse Glimmer leads 25.7 to 19.7.
- The biggest single-benchmark swing is SciCode: 28.8% for Devstral Small 2505 and 44.9% for Muse Glimmer.

## Snapshot

| | Devstral Small 2505 | Muse Glimmer |
|---|---|---|
| Provider | Mistral AI | Meta |
| Noometry Index | 34.3 | 41.7 |
| Rank | 233 | 131 |
| Context | 128K | — |
| Input $/M | $0.10 | — |
| Output $/M | $0.30 | — |
| Weights | Open | Open |

## Coding

- Devstral Small 2505: 38.9 (#166)
- Muse Glimmer: 40.4 (#142)

| Benchmark | Devstral Small 2505 | Muse Glimmer |
|---|---|---|
| SciCode | 28.8% | 44.9% |
| SWE-bench Verified (bash only) | 56.4% | — |
| LMArena WebDev | — | 1355 |
| LMArena Coding | — | 1416 |

## Reasoning

- Devstral Small 2505: 19.7 (#252)
- Muse Glimmer: 25.7 (#144)

| Benchmark | Devstral Small 2505 | Muse Glimmer |
|---|---|---|
| CritPt | 0% | 2.6% |
| Kagi LLM Benchmark | 37.7% | — |
| LMArena Hard Prompts | — | 1396 |

## Math

- Devstral Small 2505: —
- Muse Glimmer: 38.8 (#125)

| Benchmark | Devstral Small 2505 | Muse Glimmer |
|---|---|---|
| LMArena Math | — | 1417 |

## Knowledge

- Devstral Small 2505: —
- Muse Glimmer: 38.5 (#143)

| Benchmark | Devstral Small 2505 | Muse Glimmer |
|---|---|---|
| LMArena Expert | — | 1386 |

## Multilingual

- Devstral Small 2505: —
- Muse Glimmer: 50.5 (#122)

| Benchmark | Devstral Small 2505 | Muse Glimmer |
|---|---|---|
| LMArena Non-English | — | 1384 |
| LMArena Chinese | — | 1412 |
| LMArena Russian | — | 1390 |

## Instruction Following

- Devstral Small 2505: —
- Muse Glimmer: 72.6 (#135)

| Benchmark | Devstral Small 2505 | Muse Glimmer |
|---|---|---|
| LMArena Instruction Following | — | 1375 |

## Long Context

- Devstral Small 2505: —
- Muse Glimmer: 42.1 (#129)

| Benchmark | Devstral Small 2505 | Muse Glimmer |
|---|---|---|
| LMArena Longer Query | — | 1382 |

## Writing & Preference

- Devstral Small 2505: —
- Muse Glimmer: 57.5 (#126)

| Benchmark | Devstral Small 2505 | Muse Glimmer |
|---|---|---|
| LMArena Text | — | 1389 |
| LMArena Creative Writing | — | 1339 |
| LMArena Multi-Turn | — | 1399 |

## FAQ

### Is Devstral Small 2505 better than Muse Glimmer?

Muse Glimmer is the stronger model overall, scoring 41.7 to 34.3 on the Noometry Index.

### Is Devstral Small 2505 or Muse Glimmer better for coding?

Muse Glimmer scores higher on coding benchmarks: 40.4 versus 38.9 in the Noometry coding category.

### How many benchmarks do Devstral Small 2505 and Muse Glimmer share?

2 benchmarks have published results for both models. Devstral Small 2505 has 4 scored results on Noometry and Muse Glimmer has 15.