# Muse Spark vs Qwen1.5 4b Chat

> Muse Spark is the stronger model overall, scoring 50.3 to 28.3 on the Noometry Index.

- Canonical page: https://noometry.com/compare/muse-spark-vs-qwen1-5-4b-chat
- Last updated: 2026-10-10
- Shared benchmarks: 13

## Summary

- They share 13 benchmarks with published results for both. Muse Spark scores higher in 8 categories and Qwen1.5 4b Chat in 0 categories; 8 gaps are clear of the uncertainty.
- The widest gap is in writing & preference, where Muse Spark leads 66.2 to 23.9.
- Qwen1.5 4b Chat has downloadable open weights; the other is API-only.

## Snapshot

| | Muse Spark | Qwen1.5 4b Chat |
|---|---|---|
| Provider | Meta | Alibaba (Qwen) |
| Noometry Index | 50.3 | 28.3 |
| Rank | 41 | 319 |
| Context | — | — |
| Input $/M | — | — |
| Output $/M | — | — |
| Weights | Proprietary | Open |

## Coding

- Muse Spark: 45.6 (#65)
- Qwen1.5 4b Chat: 28.6 (#305)

| Benchmark | Muse Spark | Qwen1.5 4b Chat |
|---|---|---|
| LMArena Coding | 1482 | 999 |
| SciCode | 51.5% | — |

## Reasoning

- Muse Spark: 34.9 (#61)
- Qwen1.5 4b Chat: 17.7 (#277)

| Benchmark | Muse Spark | Qwen1.5 4b Chat |
|---|---|---|
| LMArena Hard Prompts | 1475 | 976 |
| CritPt | 11.3% | — |
| Epoch Capabilities Index | 152.09 | — |

## Math

- Muse Spark: 46.8 (#57)
- Qwen1.5 4b Chat: 27.9 (#233)

| Benchmark | Muse Spark | Qwen1.5 4b Chat |
|---|---|---|
| LMArena Math | 1455 | 1026 |
| OTIS Mock AIME 2024-2025 | 88.9% | — |
| ProofBench | 17% | — |
| FrontierMath (Feb 2025 set) | 39% | — |
| FrontierMath Tier 4 (v1) | 14.6% | — |

## Knowledge

- Muse Spark: 65.7 (#12)
- Qwen1.5 4b Chat: 26.2 (#252)

| Benchmark | Muse Spark | Qwen1.5 4b Chat |
|---|---|---|
| LMArena Expert | 1458 | 980 |
| GPQA Diamond | 89.8% | — |
| Humanity's Last Exam | 40.6% | — |

## Multimodal

- Muse Spark: 42.7 (#23)
- Qwen1.5 4b Chat: —

| Benchmark | Muse Spark | Qwen1.5 4b Chat |
|---|---|---|
| LMArena Vision | 1306 | — |
| LMArena Document | 1444 | — |

## Multilingual

- Muse Spark: 56.3 (#23)
- Qwen1.5 4b Chat: 24.2 (#285)

| Benchmark | Muse Spark | Qwen1.5 4b Chat |
|---|---|---|
| LMArena Non-English | 1464 | 979 |
| LMArena Chinese | 1507 | 1024 |
| LMArena German | 1497 | 902 |
| LMArena Russian | 1467 | 952 |
| LMArena French | 1497 | — |
| LMArena Korean | 1457 | — |
| LMArena Spanish | 1471 | — |

## Instruction Following

- Muse Spark: 76.1 (#47)
- Qwen1.5 4b Chat: 49.3 (#295)

| Benchmark | Muse Spark | Qwen1.5 4b Chat |
|---|---|---|
| LMArena Instruction Following | 1443 | 979 |

## Long Context

- Muse Spark: 44.4 (#65)
- Qwen1.5 4b Chat: 30.1 (#285)

| Benchmark | Muse Spark | Qwen1.5 4b Chat |
|---|---|---|
| LMArena Longer Query | 1451 | 988 |

## Writing & Preference

- Muse Spark: 66.2 (#37)
- Qwen1.5 4b Chat: 23.9 (#304)

| Benchmark | Muse Spark | Qwen1.5 4b Chat |
|---|---|---|
| LMArena Text | 1474 | 997 |
| LMArena Creative Writing | 1460 | 969 |
| LMArena Multi-Turn | 1477 | 977 |

## FAQ

### Is Muse Spark better than Qwen1.5 4b Chat?

Muse Spark is the stronger model overall, scoring 50.3 to 28.3 on the Noometry Index.

### Is Muse Spark or Qwen1.5 4b Chat better for coding?

Muse Spark scores higher on coding benchmarks: 45.6 versus 28.6 in the Noometry coding category.

### How many benchmarks do Muse Spark and Qwen1.5 4b Chat share?

13 benchmarks have published results for both models. Muse Spark has 27 scored results on Noometry and Qwen1.5 4b Chat has 13.