# Claude Opus 4.6 vs Muse Spark

> Side-by-side benchmark comparison for Claude Opus 4.6 and Muse Spark across agentic, coding, multimodal, knowledge, reasoning, multilingual, and math tasks.

- Canonical page: https://benchlm.ai/compare/claude-opus-4-6-vs-muse-spark
- Last updated: October 5, 2026

- Shared sourced benchmarks: 19
- HTML indexing: indexable
- Ranking lane: BenchAlign v5.8

## Quick Verdict

Pick Claude Opus 4.6 if you want the stronger benchmark profile. Muse Spark only makes more sense when its price, context window, or workload-specific category wins matter more than the overall score.

## Summary

- Claude Opus 4.6 leads overall 62.04 to 59.99.
- The clearest category separation is in instruction following, where the averages are 51 for Claude Opus 4.6 and 91.9 for Muse Spark.
- The biggest single benchmark swing is Vibe Code Bench in Coding, with scores of 57.57% and 19.67%.
- Claude Opus 4.6 also has the larger context window at 1M.

## Model Snapshot

| Property | Claude Opus 4.6 | Muse Spark |
|----------|----------|----------|
| Creator | Anthropic | Meta |
| Type | Proprietary | Proprietary |
| Reasoning | Non-Reasoning | Reasoning |
| Context | 1M | 262K |
| Overall Score | 62.04 | 59.99 |
| Benchmarks Covered | 34 | 27 |
| Pricing (input/output) | $5.00 / $25.00 | N/A |

## Category Breakdown

### Agentic

- Winner: Muse Spark
- Claude Opus 4.6 public-lane score: 44.5 (Supported · #52/119)
- Muse Spark public-lane score: 49.8 (Supported · #43/119)

| Benchmark | Claude Opus 4.6 | Muse Spark | Winner |
|-----------|-----------|-----------|--------|
| Terminal-Bench 2.0 | 65.4% | 59% | Claude Opus 4.6 |
| BrowseComp | 83.7% | Coming soon | Coming soon |
| OSWorld-Verified | 72.7% | Coming soon | Coming soon |
| Claw-Eval | 70.4% | 63.8% | Claude Opus 4.6 |
| DeepSearchQA | 73.7% | 74.8% | Muse Spark |
| CyberGym | 66.6% | 43.5% | Claude Opus 4.6 |
| Gert Labs | 61.85% | Coming soon | Coming soon |
| ResearchClawBench | 19.9% | Coming soon | Coming soon |
| JobBench | 36.7% | Coming soon | Coming soon |
| ApprenticeBench | 5% | Coming soon | Coming soon |
| τ²-bench results | Coming soon | 91.5% | Coming soon |

### Coding

- Winner: Muse Spark
- Claude Opus 4.6 public-lane score: 48 (Supported · #47/144)
- Muse Spark public-lane score: 51.1 (Supported · #39/144)

| Benchmark | Claude Opus 4.6 | Muse Spark | Winner |
|-----------|-----------|-----------|--------|
| SWE-bench Verified | 80.8% | 77.4% | Claude Opus 4.6 |
| SWE-bench Verified* | 75.6% | Coming soon | Coming soon |
| LiveCodeBench Pro | 70.7% | 80.0% | Muse Spark |
| SWE-bench Pro | 53.4% | 52.4% | Claude Opus 4.6 |
| SWE-Rebench | 65.3% | Coming soon | Coming soon |
| React Native Evals | 84.1% | Coming soon | Coming soon |
| Vibe Code Bench | 57.57% | 19.67% | Claude Opus 4.6 |
| FrontierCode 1.1 Main | 26.9% | Coming soon | Coming soon |
| SWE-bench (Vals) | Coming soon | 74.4% | Coming soon |

### Reasoning

- Winner: Not comparable
- Claude Opus 4.6 public-lane score: 68.3 (Unranked · 2 rankable rows)
- Muse Spark public-lane score: 53.4 (Unranked · 3 rankable rows)

| Benchmark | Claude Opus 4.6 | Muse Spark | Winner |
|-----------|-----------|-----------|--------|
| ARC-AGI-2 | Coming soon | 42.5% | Coming soon |

### Multimodal & Grounded

- Winner: Directional only
- Claude Opus 4.6 public-lane score: 60.6 (#29/49)
- Muse Spark public-lane score: 78.5 (#14/49)

| Benchmark | Claude Opus 4.6 | Muse Spark | Winner |
|-----------|-----------|-----------|--------|
| MMMU-Pro | 77.3% | 80.4% | Muse Spark |
| ERQA | 51.6% | 64.7% | Muse Spark |
| ScreenSpot Pro | 83.1% | 84.1% | Muse Spark |
| MedXpertQA (MM) | 64.8% | 78.4% | Muse Spark |
| CharXiv | Coming soon | 86.4% | Coming soon |
| SimpleVQA | Coming soon | 71.3% | Coming soon |
| ZeroBench | Coming soon | 33.0% | Coming soon |

### Knowledge

- Winner: Directional only
- Claude Opus 4.6 public-lane score: 58.6 (Estimated · #44/171)
- Muse Spark public-lane score: 60.3 (Supported · #40/171)

| Benchmark | Claude Opus 4.6 | Muse Spark | Winner |
|-----------|-----------|-----------|--------|
| GPQA | 91.3% | Coming soon | Coming soon |
| GPQA-D | 89.2% | 89.5% | Muse Spark |
| SuperGPQA | 95% | Coming soon | Coming soon |
| MMLU-Pro | 82% | Coming soon | Coming soon |
| MMLU-Pro (Arcee) | 89.1% | Coming soon | Coming soon |
| HLE | 53% | 50.4% | Claude Opus 4.6 |
| HLE w/o tools | 40% | 42.8% | Muse Spark |
| HealthBench Hard | 14.8% | 42.8% | Muse Spark |
| MedXpertQA (Text) | 52.1% | 52.6% | Muse Spark |
| GPQA Diamond (Vals) | Coming soon | 89.6% | Coming soon |
| MMLU-Pro (Vals) | Coming soon | 87.3% | Coming soon |

### Instruction Following

- Winner: Directional only
- Claude Opus 4.6 public-lane score: 51 (#79/125)
- Muse Spark public-lane score: 91.9 (#8/125)

### Mathematics

- Winner: Not comparable
- Claude Opus 4.6 public-lane score: 58.5 (Unranked · 3 rankable rows)
- Muse Spark public-lane score: 55.1 (Unranked · 2 rankable rows)

| Benchmark | Claude Opus 4.6 | Muse Spark | Winner |
|-----------|-----------|-----------|--------|
| AIME25 (Arcee) | 99.8% | Coming soon | Coming soon |
| FrontierMath v2 (Tiers 1-3) | 40.700% | 39.000% | Claude Opus 4.6 |
| FrontierMath v2 (Tier 4) | 22.900% | 14.600% | Claude Opus 4.6 |

## FAQ

### Which is better overall, Claude Opus 4.6 or Muse Spark?

Claude Opus 4.6 is ahead overall on BenchLM right now.

### Where is the biggest gap between Claude Opus 4.6 and Muse Spark?

The widest category gap is in instruction following, where the averages are 51 for Claude Opus 4.6 and 91.9 for Muse Spark.

### How many benchmarks does Claude Opus 4.6 cover on BenchLM?

Claude Opus 4.6 currently has 34 sourced benchmark scores on BenchLM.

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

Muse Spark currently has 27 sourced benchmark scores on BenchLM.

## Related Comparisons

- [Claude Opus 4.6 vs Claude Opus 4.6 (Adaptive)](/compare/claude-opus-4-6-vs-claude-opus-4-6-thinking)
- [Muse Spark vs Claude Opus 4.6 (Adaptive)](/compare/claude-opus-4-6-thinking-vs-muse-spark)
- [Claude Opus 4.6 vs Muse Spark 1.2](/compare/claude-opus-4-6-vs-muse-spark-1-2)
- [Muse Spark vs Muse Spark 1.2](/compare/muse-spark-vs-muse-spark-1-2)

## Explore More

- [Claude Opus 4.6 profile](/models/claude-opus-4-6)
- [Muse Spark profile](/models/muse-spark)
- [Compare Pricing](/llm-pricing)
- [Alternative Finder](/tools/alternative-finder)
- [LLM Selector](/tools/llm-selector)
- [Overall Rankings](/best/overall)