# Muse Spark 1.3 vs Qwen3.5 Plus

> Side-by-side benchmark comparison for Muse Spark 1.3 and Qwen3.5 Plus across agentic, coding, multimodal, knowledge, reasoning, multilingual, and math tasks.

- Canonical page: https://benchlm.ai/compare/muse-spark-1-3-vs-qwen3-5-plus
- Last updated: October 17, 2026

- Shared sourced benchmarks: 1
- HTML indexing: indexable
- Ranking lane: BenchAlign v5.8

## Quick Verdict

Evidence is too thin for a benchmark verdict: Muse Spark 1.3 and Qwen3.5 Plus share only 1 sourced benchmark row.

## Summary

- Only 1 shared sourced benchmark row is available. That is not enough for a broad capability verdict, so this mirror does not name an overall winner.
- Qwen3.5 Plus has the lower published output-token price.

## Model Snapshot

| Property | Muse Spark 1.3 | Qwen3.5 Plus |
|----------|----------|----------|
| Creator | Meta | Alibaba |
| Type | Proprietary | Proprietary |
| Reasoning | Reasoning | Reasoning |
| Context | 1M | 1M |
| Independent public score (not head-to-head) | null | 48.85 |
| Benchmarks Covered | 20 | 2 |
| Pricing (input/output) | $1.25 / $4.25 | $0.40 / $2.40 |

## Category Breakdown

### Agentic

- Winner: Insufficient shared evidence
- Muse Spark 1.3 public-lane score: Coming soon
- Qwen3.5 Plus public-lane score: Coming soon

| Benchmark | Muse Spark 1.3 | Qwen3.5 Plus | Winner |
|-----------|-----------|-----------|--------|
| Terminal-Bench 2.1 | 88.8% | Coming soon | Coming soon |
| JobBench | 64.9% | 18.5% | Muse Spark 1.3 |
| OSWorld 2.0 | 66.9% | Coming soon | Coming soon |
| DeepSearchQA | 89.4% | Coming soon | Coming soon |
| AutomationBench | 49.4% | Coming soon | Coming soon |
| ApprenticeBench | 19% | Coming soon | Coming soon |
| Terminal-Bench 2.1 (Vals) | 72.3% | Coming soon | Coming soon |
| CWE-bench v1 | 55.0% | Coming soon | Coming soon |
| MazeBench | 0% | Coming soon | Coming soon |

### Coding

- Winner: Insufficient shared evidence
- Muse Spark 1.3 public-lane score: Coming soon
- Qwen3.5 Plus public-lane score: Coming soon

| Benchmark | Muse Spark 1.3 | Qwen3.5 Plus | Winner |
|-----------|-----------|-----------|--------|
| Terminal-Bench 2.1 | 88.8% | Coming soon | Coming soon |
| DeepSWE | 75.4% | Coming soon | Coming soon |
| SWE-Atlas Codebase QnA | 59.4% | Coming soon | Coming soon |
| CursorBench 4.0 | 41.6% | Coming soon | Coming soon |
| Bug Hunt Bench | 32.2 fixes | Coming soon | Coming soon |
| FrontierSWE v2 | 25.8% | Coming soon | Coming soon |
| Vibe Code Bench | Coming soon | 15.74% | Coming soon |

### Reasoning

- Winner: Insufficient shared evidence
- Muse Spark 1.3 public-lane score: 82.9 (#6/28)
- Qwen3.5 Plus public-lane score: Coming soon

| Benchmark | Muse Spark 1.3 | Qwen3.5 Plus | Winner |
|-----------|-----------|-----------|--------|
| MRCR v2 256K-512K | 98.5% | Coming soon | Coming soon |
| MRCR v2 512K-1M | 98.1% | Coming soon | Coming soon |

### Instruction Following

- Winner: Insufficient shared evidence
- Muse Spark 1.3 public-lane score: Coming soon
- Qwen3.5 Plus public-lane score: Coming soon

| Benchmark | Muse Spark 1.3 | Qwen3.5 Plus | Winner |
|-----------|-----------|-----------|--------|
| Gray Swan IPI (15 attempts) | 15.9% | Coming soon | Coming soon |

### Mathematics

- Winner: Insufficient shared evidence
- Muse Spark 1.3 public-lane score: 78.5 (Unranked · 2 rankable rows)
- Qwen3.5 Plus public-lane score: Coming soon

| Benchmark | Muse Spark 1.3 | Qwen3.5 Plus | Winner |
|-----------|-----------|-----------|--------|
| FrontierMath v2 (Tiers 1-3) | 74.035% | Coming soon | Coming soon |
| FrontierMath v2 (Tier 4) | 46.341% | Coming soon | Coming soon |

## FAQ

### Is there enough evidence to pick between Muse Spark 1.3 and Qwen3.5 Plus?

Not yet. The models share only 1 sourced benchmark row, so this mirror reports the available measurements and metadata without naming a broad winner.

### What can I compare safely on this page?

Published pricing, context windows, model type, and individual shared benchmark rows are directly comparable. Independent overall scores and non-overlapping benchmark coverage are labeled separately and should not be read as a controlled head-to-head result.

## Related Comparisons

- [Muse Spark 1.3 vs Muse Spark 1.1](/compare/muse-spark-1-1-vs-muse-spark-1-3)
- [Qwen3.5 Plus vs Muse Spark 1.1](/compare/muse-spark-1-1-vs-qwen3-5-plus)
- [Muse Spark 1.3 vs Muse Spark 1.2](/compare/muse-spark-1-2-vs-muse-spark-1-3)
- [Qwen3.5 Plus vs Muse Spark 1.2](/compare/muse-spark-1-2-vs-qwen3-5-plus)

## Explore More

- [Muse Spark 1.3 profile](/models/muse-spark-1-3)
- [Qwen3.5 Plus profile](/models/qwen3-5-plus)
- [Compare Pricing](/llm-pricing)
- [Alternative Finder](/tools/alternative-finder)
- [LLM Selector](/tools/llm-selector)
- [Overall Rankings](/best/overall)