# Muse Spark 1.3 vs Qwen3.5 Plus

> Muse Spark 1.3 is the stronger model overall, scoring 54.8 to 42.9 on the Noometry Index. Qwen3.5 Plus costs 2.2× less per token, which makes it the better buy when Muse Spark 1.3's lead doesn't matter for your workload.

- Canonical page: https://noometry.com/compare/muse-spark-1-3-vs-qwen3-5-plus
- Last updated: 2026-10-12
- Shared benchmarks: 6

## Summary

- They share 6 benchmarks with published results for both. Muse Spark 1.3 scores higher in 3 categories and Qwen3.5 Plus in 1 category; 4 gaps are clear of the uncertainty.
- The widest gap is in math, where Muse Spark 1.3 leads 73.1 to 49.6.
- The biggest single-benchmark swing is LMCA: 53.9% for Muse Spark 1.3 and 36.4% for Qwen3.5 Plus.
- Qwen3.5 Plus is cheaper at $0.40 / $2.40 per million input/output tokens, against $1.25 / $4.25 for Muse Spark 1.3.
- Muse Spark 1.3 accepts more context: 1.05M tokens versus 1M.

## Snapshot

| | Muse Spark 1.3 | Qwen3.5 Plus |
|---|---|---|
| Provider | Meta | Alibaba (Qwen) |
| Noometry Index | 54.8 | 42.9 |
| Rank | 27 | 106 |
| Context | 1.05M | 1M |
| Input $/M | $1.25 | $0.40 |
| Output $/M | $4.25 | $2.40 |
| Weights | Proprietary | Proprietary |

## Coding

- Muse Spark 1.3: 56.6 (#21)
- Qwen3.5 Plus: —

| Benchmark | Muse Spark 1.3 | Qwen3.5 Plus |
|---|---|---|
| CursorBench | 41.6% | — |
| LMArena WebDev | 1657 | — |
| SciCode | 59.7% | — |
| LMArena Coding | 1514 | — |
| ALE-Bench | — | 621.92 |

## Agentic & Tool Use

- Muse Spark 1.3: 38.6 (#30)
- Qwen3.5 Plus: —

| Benchmark | Muse Spark 1.3 | Qwen3.5 Plus |
|---|---|---|
| APEX-Agents | 57.8% | — |
| GDP.pdf | 27.6% | — |
| Vending-Bench 2 | — | 0.54 |

## Reasoning

- Muse Spark 1.3: 54.0 (#27)
- Qwen3.5 Plus: 32.8 (#74)

| Benchmark | Muse Spark 1.3 | Qwen3.5 Plus |
|---|---|---|
| Chess Puzzles | 38% | 22% |
| Mystery Game Puzzles | 25% | 17% |
| DTBench | 96.5% | 80.5% |
| LMCA | 53.9% | 36.4% |
| Epoch Capabilities Index | 156.75 | 146.78 |
| NYT Connections (extended) | 85.1% | — |
| CritPt | 26% | — |
| LMArena Hard Prompts | 1503 | — |
| Bench to the Future 3 | 0.14 | — |

## Math

- Muse Spark 1.3: 73.1 (#21)
- Qwen3.5 Plus: 49.6 (#61)

| Benchmark | Muse Spark 1.3 | Qwen3.5 Plus |
|---|---|---|
| OTIS Mock AIME 2024-2025 | 99.2% | 86.7% |
| FrontierMath (Tiers 1-3) | 74.4% | — |
| FrontierMath Tier 4 | 46.3% | — |
| ProofBench | 58% | — |
| LMArena Math | 1494 | — |
| FrontierMath (Feb 2025 set) | — | 21% |
| FrontierMath Tier 4 (v1) | — | 2.1% |

## Knowledge

- Muse Spark 1.3: 42.6 (#95)
- Qwen3.5 Plus: 46.0 (#83)

| Benchmark | Muse Spark 1.3 | Qwen3.5 Plus |
|---|---|---|
| GPQA Diamond | — | 84.8% |
| SimpleQA Verified | — | 25.4% |
| Vectara Hallucination Rate | — | 10.7% |
| LMArena Expert | 1516 | — |

## Multimodal

- Muse Spark 1.3: 43.7 (#22)
- Qwen3.5 Plus: —

| Benchmark | Muse Spark 1.3 | Qwen3.5 Plus |
|---|---|---|
| LMArena Vision | 1309 | — |
| LMArena Document | 1471 | — |

## Multilingual

- Muse Spark 1.3: 57.4 (#8)
- Qwen3.5 Plus: —

| Benchmark | Muse Spark 1.3 | Qwen3.5 Plus |
|---|---|---|
| LMArena Non-English | 1481 | — |
| LMArena Chinese | 1529 | — |
| LMArena French | 1524 | — |
| LMArena German | 1515 | — |
| LMArena Japanese | 1474 | — |
| LMArena Korean | 1501 | — |
| LMArena Russian | 1490 | — |
| LMArena Spanish | 1490 | — |

## Instruction Following

- Muse Spark 1.3: 77.5 (#22)
- Qwen3.5 Plus: —

| Benchmark | Muse Spark 1.3 | Qwen3.5 Plus |
|---|---|---|
| LMArena Instruction Following | 1477 | — |

## Long Context

- Muse Spark 1.3: 45.6 (#32)
- Qwen3.5 Plus: 43.0 (#113)

| Benchmark | Muse Spark 1.3 | Qwen3.5 Plus |
|---|---|---|
| CL-bench | — | 19.8% |
| CL-bench Life | — | 12.4% |
| LMArena Longer Query | 1488 | — |

## Writing & Preference

- Muse Spark 1.3: 73.6 (#9)
- Qwen3.5 Plus: —

| Benchmark | Muse Spark 1.3 | Qwen3.5 Plus |
|---|---|---|
| LMArena Text | 1490 | — |
| LMArena Creative Writing | 1455 | — |
| EQ-Bench Creative Writing | 1906 | — |
| LMArena Multi-Turn | 1482 | — |

## FAQ

### Is Muse Spark 1.3 better than Qwen3.5 Plus?

Muse Spark 1.3 is the stronger model overall, scoring 54.8 to 42.9 on the Noometry Index. Qwen3.5 Plus costs 2.2× less per token, which makes it the better buy when Muse Spark 1.3's lead doesn't matter for your workload.

### Which is cheaper, Muse Spark 1.3 or Qwen3.5 Plus?

Qwen3.5 Plus is cheaper. It lists at $0.40 per million input tokens and $2.40 per million output tokens; Muse Spark 1.3 lists at $1.25 and $4.25.

### Which has the bigger context window?

Muse Spark 1.3 does, with 1.05M tokens against 1M.

### How many benchmarks do Muse Spark 1.3 and Qwen3.5 Plus share?

6 benchmarks have published results for both models. Muse Spark 1.3 has 37 scored results on Noometry and Qwen3.5 Plus has 15.