# Muse Spark vs Qwen3.5 397B

> Side-by-side benchmark comparison for Muse Spark and Qwen3.5 397B across agentic, coding, multimodal, knowledge, reasoning, multilingual, and math tasks.

- Canonical page: https://benchlm.ai/compare/muse-spark-vs-qwen3-5-397b
- Last updated: October 5, 2026

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

## Quick Verdict

Pick Muse Spark if you want the stronger benchmark profile. Qwen3.5 397B only makes more sense when its price, context window, or workload-specific category wins matter more than the overall score.

## Summary

- Muse Spark leads overall 59.99 to 52.
- The clearest category separation is in instruction following, where the averages are 91.9 for Muse Spark and 0 for Qwen3.5 397B.
- The biggest single benchmark swing is HLE in Knowledge, with scores of 50.4% and 28.7%.
- Muse Spark also has the larger context window at 262K.

## Model Snapshot

| Property | Muse Spark | Qwen3.5 397B |
|----------|----------|----------|
| Creator | Meta | Alibaba |
| Type | Proprietary | Open Weight |
| Reasoning | Reasoning | Non-Reasoning |
| Context | 262K | 128K |
| Overall Score | 59.99 | null |
| Benchmarks Covered | 27 | 38 |
| Pricing (input/output) | N/A | $0.60 / $3.60 |

## Category Breakdown

### Agentic

- Winner: Not comparable
- Muse Spark public-lane score: 49.8 (Supported · #43/119)
- Qwen3.5 397B public-lane score: Coming soon

| Benchmark | Muse Spark | Qwen3.5 397B | Winner |
|-----------|-----------|-----------|--------|
| Terminal-Bench 2.0 | 59% | 52.5% | Muse Spark |
| τ²-bench results | 91.5% | Coming soon | Coming soon |
| DeepSearchQA | 74.8% | Coming soon | Coming soon |
| CyberGym | 43.5% | Coming soon | Coming soon |
| Claw-Eval | 63.8% | 56.8% | Muse Spark |
| BrowseComp | Coming soon | 62% | Coming soon |
| QwenClawBench | Coming soon | 51.8% | Coming soon |
| τ³-bench results | Coming soon | 68.4% | Coming soon |
| VITA-Bench | Coming soon | 43.7% | Coming soon |
| DeepPlanning | Coming soon | 37.6% | Coming soon |
| Toolathlon | Coming soon | 36.3% | Coming soon |
| MCP Atlas | Coming soon | 46.1% | Coming soon |
| MCP-Tasks | Coming soon | 74.2% | Coming soon |
| WideResearch | Coming soon | 74.0% | Coming soon |
| Gert Labs | Coming soon | 46.76% | Coming soon |
| ResearchClawBench | Coming soon | 14.2% | Coming soon |

### Coding

- Winner: Not comparable
- Muse Spark public-lane score: 51.1 (Supported · #39/144)
- Qwen3.5 397B public-lane score: Coming soon

| Benchmark | Muse Spark | Qwen3.5 397B | Winner |
|-----------|-----------|-----------|--------|
| SWE-bench Verified | 77.4% | 76.2% | Muse Spark |
| SWE-bench Pro | 52.4% | 50.9% | Muse Spark |
| LiveCodeBench Pro | 80.0% | Coming soon | Coming soon |
| Vibe Code Bench | 19.67% | Coming soon | Coming soon |
| SWE-bench (Vals) | 74.4% | Coming soon | Coming soon |
| LiveCodeBench v6 | Coming soon | 83.6% | Coming soon |

### Reasoning

- Winner: Not comparable
- Muse Spark public-lane score: 53.4 (Unranked · 3 rankable rows)
- Qwen3.5 397B public-lane score: 60.9 (Unranked · 2 rankable rows)

| Benchmark | Muse Spark | Qwen3.5 397B | Winner |
|-----------|-----------|-----------|--------|
| ARC-AGI-2 | 42.5% | Coming soon | Coming soon |
| LongBench v2 | Coming soon | 63.2% | Coming soon |
| AI-Needle | Coming soon | 68.7% | Coming soon |

### Multimodal & Grounded

- Winner: Muse Spark
- Muse Spark public-lane score: 78.5 (#14/49)
- Qwen3.5 397B public-lane score: 63.9 (#27/49)

| Benchmark | Muse Spark | Qwen3.5 397B | Winner |
|-----------|-----------|-----------|--------|
| CharXiv | 86.4% | 80.8% | Muse Spark |
| MMMU-Pro | 80.4% | 79% | Muse Spark |
| ERQA | 64.7% | Coming soon | Coming soon |
| SimpleVQA | 71.3% | Coming soon | Coming soon |
| ScreenSpot Pro | 84.1% | 65.6% | Muse Spark |
| ZeroBench | 33.0% | Coming soon | Coming soon |
| MedXpertQA (MM) | 78.4% | Coming soon | Coming soon |
| MathVision | Coming soon | 88.6% | Coming soon |
| VideoMMMU | Coming soon | 84.7% | Coming soon |
| V* | Coming soon | 95.8% | Coming soon |

### Knowledge

- Winner: Not comparable
- Muse Spark public-lane score: 60.3 (Supported · #40/171)
- Qwen3.5 397B public-lane score: Coming soon

| Benchmark | Muse Spark | Qwen3.5 397B | Winner |
|-----------|-----------|-----------|--------|
| GPQA-D | 89.5% | Coming soon | Coming soon |
| HLE | 50.4% | 28.7% | Muse Spark |
| HLE w/o tools | 42.8% | Coming soon | Coming soon |
| HealthBench Hard | 42.8% | Coming soon | Coming soon |
| MedXpertQA (Text) | 52.6% | Coming soon | Coming soon |
| GPQA Diamond (Vals) | 89.6% | Coming soon | Coming soon |
| MMLU-Pro (Vals) | 87.3% | Coming soon | Coming soon |
| GPQA | Coming soon | 88.4% | Coming soon |
| SuperGPQA | Coming soon | 70.4% | Coming soon |
| MMLU-Pro | Coming soon | 87.8% | Coming soon |
| MMLU-Redux | Coming soon | 94.9% | Coming soon |
| C-Eval | Coming soon | 93% | Coming soon |

### Multilingual

- Winner: Not comparable
- Muse Spark public-lane score: Coming soon
- Qwen3.5 397B public-lane score: 93.8 (#5/16)

| Benchmark | Muse Spark | Qwen3.5 397B | Winner |
|-----------|-----------|-----------|--------|
| MMLU-ProX | Coming soon | 84.7% | Coming soon |
| NOVA-63 | Coming soon | 59.1% | Coming soon |

### Instruction Following

- Winner: Directional only
- Muse Spark public-lane score: 91.9 (#8/125)
- Qwen3.5 397B public-lane score: 0 (#125/125)

| Benchmark | Muse Spark | Qwen3.5 397B | Winner |
|-----------|-----------|-----------|--------|
| IFEval | Coming soon | 92.6% | Coming soon |

### Mathematics

- Winner: Not comparable
- Muse Spark public-lane score: 55.1 (Unranked · 2 rankable rows)
- Qwen3.5 397B public-lane score: 73.5 (Unranked · 5 rankable rows)

| Benchmark | Muse Spark | Qwen3.5 397B | Winner |
|-----------|-----------|-----------|--------|
| FrontierMath v2 (Tiers 1-3) | 39.000% | Coming soon | Coming soon |
| FrontierMath v2 (Tier 4) | 14.600% | Coming soon | Coming soon |
| AIME26 | Coming soon | 93.3% | Coming soon |
| HMMT Feb 2025 | Coming soon | 94.8% | Coming soon |
| HMMT Nov 2025 | Coming soon | 92.7% | Coming soon |
| HMMT Feb 2026 | Coming soon | 87.9% | Coming soon |
| MMAnswerBench | Coming soon | 80.9% | Coming soon |

## FAQ

### Which is better overall, Muse Spark or Qwen3.5 397B?

Muse Spark is ahead overall on BenchLM right now.

### Where is the biggest gap between Muse Spark and Qwen3.5 397B?

The widest category gap is in instruction following, where the averages are 91.9 for Muse Spark and 0 for Qwen3.5 397B.

### How many benchmarks does Muse Spark cover on BenchLM?

Muse Spark currently has 27 sourced benchmark scores on BenchLM.

### How many benchmarks does Qwen3.5 397B cover on BenchLM?

Qwen3.5 397B currently has 38 sourced benchmark scores on BenchLM.

## Related Comparisons

- [Muse Spark vs Muse Spark 1.2](/compare/muse-spark-vs-muse-spark-1-2)
- [Qwen3.5 397B vs Muse Spark 1.2](/compare/muse-spark-1-2-vs-qwen3-5-397b)
- [Muse Spark vs Muse Spark 1.1](/compare/muse-spark-vs-muse-spark-1-1)
- [Qwen3.5 397B vs Muse Spark 1.1](/compare/muse-spark-1-1-vs-qwen3-5-397b)

## Explore More

- [Muse Spark profile](/models/muse-spark)
- [Qwen3.5 397B profile](/models/qwen3-5-397b)
- [Compare Pricing](/llm-pricing)
- [Alternative Finder](/tools/alternative-finder)
- [LLM Selector](/tools/llm-selector)
- [Overall Rankings](/best/overall)