# Claude Opus 4.6 vs Muse Spark 1.3

> Side-by-side benchmark comparison for Claude Opus 4.6 and Muse Spark 1.3 across agentic, coding, multimodal, knowledge, reasoning, multilingual, and math tasks.

- Canonical page: https://benchlm.ai/compare/claude-opus-4-6-vs-muse-spark-1-3
- Last updated: October 17, 2026

- Shared sourced benchmarks: 5
- HTML indexing: indexable
- Ranking lane: BenchAlign v5.8

## Quick Verdict

Pick Muse Spark 1.3 if you want the stronger benchmark profile. Claude Opus 4.6 only makes more sense when its price, context window, or workload-specific category wins matter more than the overall score.

## Summary

- Muse Spark 1.3 leads overall 73 to 62.39.
- The clearest category separation is in reasoning, where the averages are 71.9 for Claude Opus 4.6 and 82.9 for Muse Spark 1.3.
- The biggest single benchmark swing is JobBench in Agentic, with scores of 36.7% and 64.9%.
- Muse Spark 1.3 is the cheaper option on output tokens, which matters if you expect large responses or heavy interactive use.

## Model Snapshot

| Property | Claude Opus 4.6 | Muse Spark 1.3 |
|----------|----------|----------|
| Creator | Anthropic | Meta |
| Type | Proprietary | Proprietary |
| Reasoning | Non-Reasoning | Reasoning |
| Context | 1M | 1M |
| Overall Score | 62.39 | null |
| Benchmarks Covered | 36 | 20 |
| Pricing (input/output) | $5.00 / $25.00 | $1.25 / $4.25 |

## Category Breakdown

### Agentic

- Winner: Not comparable
- Claude Opus 4.6 public-lane score: 45.7 (Supported · #57/128)
- Muse Spark 1.3 public-lane score: Coming soon

| Benchmark | Claude Opus 4.6 | Muse Spark 1.3 | Winner |
|-----------|-----------|-----------|--------|
| Terminal-Bench 2.0 | 65.4% | Coming soon | Coming soon |
| BrowseComp | 83.7% | Coming soon | Coming soon |
| OSWorld-Verified | 72.7% | Coming soon | Coming soon |
| AndroidWorld | 62.0% | Coming soon | Coming soon |
| Claw-Eval | 70.4% | Coming soon | Coming soon |
| DeepSearchQA | 73.7% | 89.4% | Muse Spark 1.3 |
| CyberGym | 66.6% | Coming soon | Coming soon |
| Gert Labs | 61.85% | Coming soon | Coming soon |
| ResearchClawBench | 19.9% | Coming soon | Coming soon |
| JobBench | 36.7% | 64.9% | Muse Spark 1.3 |
| ApprenticeBench | 5% | 19% | Muse Spark 1.3 |
| Terminal-Bench 2.1 | Coming soon | 88.8% | Coming soon |
| OSWorld 2.0 | Coming soon | 66.9% | Coming soon |
| AutomationBench | Coming soon | 49.4% | Coming soon |
| Terminal-Bench 2.1 (Vals) | Coming soon | 72.3% | Coming soon |
| CWE-bench v1 | Coming soon | 55.0% | Coming soon |
| MazeBench | Coming soon | 0% | Coming soon |

### Coding

- Winner: Not comparable
- Claude Opus 4.6 public-lane score: 46.1 (Supported · #52/150)
- Muse Spark 1.3 public-lane score: Coming soon

| Benchmark | Claude Opus 4.6 | Muse Spark 1.3 | Winner |
|-----------|-----------|-----------|--------|
| SWE-bench Verified | 80.8% | Coming soon | Coming soon |
| SWE-bench Verified* | 75.6% | Coming soon | Coming soon |
| LiveCodeBench Pro | 70.7% | Coming soon | Coming soon |
| SWE-bench Pro | 53.4% | Coming soon | Coming soon |
| SWE-Rebench | 65.3% | Coming soon | Coming soon |
| React Native Evals | 84.1% | Coming soon | Coming soon |
| Terminal-Bench 2.0 | 65.4% | Coming soon | Coming soon |
| Vibe Code Bench | 57.57% | Coming soon | Coming soon |
| FrontierCode 1.1 Main | 26.9% | Coming soon | Coming soon |
| Terminal-Bench 2.1 | Coming soon | 88.8% | Coming soon |
| DeepSWE | Coming soon | 75.4% | Coming soon |
| SWE-Atlas Codebase QnA | Coming soon | 59.4% | Coming soon |
| CursorBench 4.0 | Coming soon | 41.6% | Coming soon |
| Bug Hunt Bench | Coming soon | 32.2 fixes | Coming soon |
| FrontierSWE v2 | Coming soon | 25.8% | Coming soon |

### Reasoning

- Winner: Not comparable
- Claude Opus 4.6 public-lane score: 71.9 (Unranked · 2 rankable rows)
- Muse Spark 1.3 public-lane score: 82.9 (#6/28)

| Benchmark | Claude Opus 4.6 | Muse Spark 1.3 | Winner |
|-----------|-----------|-----------|--------|
| MRCR v2 256K-512K | Coming soon | 98.5% | Coming soon |
| MRCR v2 512K-1M | Coming soon | 98.1% | Coming soon |

### Multimodal & Grounded

- Winner: Not comparable
- Claude Opus 4.6 public-lane score: 74.5 (#25/54)
- Muse Spark 1.3 public-lane score: Coming soon

| Benchmark | Claude Opus 4.6 | Muse Spark 1.3 | Winner |
|-----------|-----------|-----------|--------|
| MMMU-Pro | 77.3% | Coming soon | Coming soon |
| ERQA | 51.6% | Coming soon | Coming soon |
| ScreenSpot Pro | 83.1% | Coming soon | Coming soon |
| MedXpertQA (MM) | 64.8% | Coming soon | Coming soon |

### Knowledge

- Winner: Not comparable
- Claude Opus 4.6 public-lane score: 59 (Estimated · #52/184)
- Muse Spark 1.3 public-lane score: Coming soon

| Benchmark | Claude Opus 4.6 | Muse Spark 1.3 | Winner |
|-----------|-----------|-----------|--------|
| GPQA | 91.3% | Coming soon | Coming soon |
| GPQA-D | 89.2% | Coming soon | Coming soon |
| SuperGPQA | 95% | Coming soon | Coming soon |
| MMLU-Pro | 82% | Coming soon | Coming soon |
| MMLU-Pro (Arcee) | 89.1% | Coming soon | Coming soon |
| HLE | 53% | Coming soon | Coming soon |
| HLE w/o tools | 40% | Coming soon | Coming soon |
| HealthBench Hard | 14.8% | Coming soon | Coming soon |
| MedXpertQA (Text) | 52.1% | Coming soon | Coming soon |

### Instruction Following

- Winner: Not comparable
- Claude Opus 4.6 public-lane score: 52.4 (#87/148)
- Muse Spark 1.3 public-lane score: Coming soon

| Benchmark | Claude Opus 4.6 | Muse Spark 1.3 | Winner |
|-----------|-----------|-----------|--------|
| Gray Swan IPI (15 attempts) | Coming soon | 15.9% | Coming soon |

### Mathematics

- Winner: Not comparable
- Claude Opus 4.6 public-lane score: 69.1 (Unranked · 3 rankable rows)
- Muse Spark 1.3 public-lane score: 78.5 (Unranked · 2 rankable rows)

| Benchmark | Claude Opus 4.6 | Muse Spark 1.3 | Winner |
|-----------|-----------|-----------|--------|
| AIME25 (Arcee) | 99.8% | Coming soon | Coming soon |
| FrontierMath v2 (Tiers 1-3) | 65.965% | 74.035% | Muse Spark 1.3 |
| FrontierMath v2 (Tier 4) | 26.829% | 46.341% | Muse Spark 1.3 |

## FAQ

### Which is better overall, Claude Opus 4.6 or Muse Spark 1.3?

Muse Spark 1.3 is ahead overall on BenchLM right now.

### Where is the biggest gap between Claude Opus 4.6 and Muse Spark 1.3?

The widest category gap is in reasoning, where the averages are 71.9 for Claude Opus 4.6 and 82.9 for Muse Spark 1.3.

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

Claude Opus 4.6 currently has 36 sourced benchmark scores on BenchLM.

### How many benchmarks does Muse Spark 1.3 cover on BenchLM?

Muse Spark 1.3 currently has 20 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 1.3 vs Claude Opus 4.6 (Adaptive)](/compare/claude-opus-4-6-thinking-vs-muse-spark-1-3)
- [Claude Opus 4.6 vs Muse Spark 1.1](/compare/claude-opus-4-6-vs-muse-spark-1-1)
- [Muse Spark 1.3 vs Muse Spark 1.1](/compare/muse-spark-1-1-vs-muse-spark-1-3)

## Explore More

- [Claude Opus 4.6 profile](/models/claude-opus-4-6)
- [Muse Spark 1.3 profile](/models/muse-spark-1-3)
- [Compare Pricing](/llm-pricing)
- [Alternative Finder](/tools/alternative-finder)
- [LLM Selector](/tools/llm-selector)
- [Overall Rankings](/best/overall)