# Muse Spark vs Beam

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

- Canonical page: https://benchlm.ai/compare/muse-spark-vs-reflection-beam
- Last updated: October 5, 2026

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

## Quick Verdict

Pick Muse Spark if you want the stronger benchmark profile. Beam 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 0.
- The biggest single benchmark swing is SWE-bench Pro in Coding, with scores of 52.4% and 65.5%.
- Muse Spark also has the larger context window at 262K.

## Model Snapshot

| Property | Muse Spark | Beam |
|----------|----------|----------|
| Creator | Meta | Reflection AI |
| Type | Proprietary | Pending |
| Reasoning | Reasoning | Reasoning |
| Context | 262K | null |
| Overall Score | 59.99 | null |
| Benchmarks Covered | 27 | 16 |
| Pricing (input/output) | N/A | Pricing unavailable / Pricing unavailable |

## Category Breakdown

### Agentic

- Winner: Not comparable
- Muse Spark public-lane score: 49.8 (Supported · #43/119)
- Beam public-lane score: Coming soon

| Benchmark | Muse Spark | Beam | Winner |
|-----------|-----------|-----------|--------|
| Terminal-Bench 2.0 | 59% | Coming soon | Coming soon |
| τ²-bench results | 91.5% | Coming soon | Coming soon |
| DeepSearchQA | 74.8% | 80.1% | Beam |
| CyberGym | 43.5% | Coming soon | Coming soon |
| Claw-Eval | 63.8% | Coming soon | Coming soon |
| Terminal-Bench 2.1 | Coming soon | 80.1% | Coming soon |
| MCP Atlas | Coming soon | 78.7% | Coming soon |
| BrowseComp | Coming soon | 77.4% | Coming soon |

### Coding

- Winner: Not comparable
- Muse Spark public-lane score: 51.1 (Supported · #39/144)
- Beam public-lane score: Coming soon

| Benchmark | Muse Spark | Beam | Winner |
|-----------|-----------|-----------|--------|
| SWE-bench Verified | 77.4% | 80.9% | Beam |
| SWE-bench Pro | 52.4% | 65.5% | Beam |
| 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 |
| DeepSWE | Coming soon | 44.4% | Coming soon |
| Terminal-Bench 2.1 | Coming soon | 80.1% | Coming soon |
| SWE-Atlas Codebase QnA | Coming soon | 34.6% | Coming soon |
| SWE Multilingual | Coming soon | 78% | Coming soon |
| SciCode | Coming soon | 49.7% | Coming soon |

### Reasoning

- Winner: Not comparable
- Muse Spark public-lane score: 53.4 (Unranked · 3 rankable rows)
- Beam public-lane score: Coming soon

| Benchmark | Muse Spark | Beam | Winner |
|-----------|-----------|-----------|--------|
| ARC-AGI-2 | 42.5% | Coming soon | Coming soon |
| LongBench v2 | Coming soon | 65.5% | Coming soon |

### Multimodal & Grounded

- Winner: Not comparable
- Muse Spark public-lane score: 78.5 (#14/49)
- Beam public-lane score: Coming soon

| Benchmark | Muse Spark | Beam | Winner |
|-----------|-----------|-----------|--------|
| CharXiv | 86.4% | Coming soon | Coming soon |
| MMMU-Pro | 80.4% | Coming soon | Coming soon |
| ERQA | 64.7% | Coming soon | Coming soon |
| SimpleVQA | 71.3% | Coming soon | Coming soon |
| ScreenSpot Pro | 84.1% | Coming soon | Coming soon |
| ZeroBench | 33.0% | Coming soon | Coming soon |
| MedXpertQA (MM) | 78.4% | Coming soon | Coming soon |

### Knowledge

- Winner: Not comparable
- Muse Spark public-lane score: 60.3 (Supported · #40/171)
- Beam public-lane score: Coming soon

| Benchmark | Muse Spark | Beam | Winner |
|-----------|-----------|-----------|--------|
| GPQA-D | 89.5% | 90.5% | Beam |
| HLE | 50.4% | Coming soon | Coming soon |
| HLE w/o tools | 42.8% | 36.2% | Muse Spark |
| 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 |

### Instruction Following

- Winner: Not comparable
- Muse Spark public-lane score: 91.9 (#8/125)
- Beam public-lane score: Coming soon

| Benchmark | Muse Spark | Beam | Winner |
|-----------|-----------|-----------|--------|
| IFBench | Coming soon | 79.7% | Coming soon |

### Mathematics

- Winner: Not comparable
- Muse Spark public-lane score: 55.1 (Unranked · 2 rankable rows)
- Beam public-lane score: Coming soon

| Benchmark | Muse Spark | Beam | 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 | 97.8% | Coming soon |

## FAQ

### Which is better overall, Muse Spark or Beam?

Muse Spark is ahead overall on BenchLM right now.

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

Muse Spark currently has 27 sourced benchmark scores on BenchLM.

### How many benchmarks does Beam cover on BenchLM?

Beam currently has 16 sourced benchmark scores on BenchLM.

## Related Comparisons

- [Muse Spark vs Muse Spark 1.2](/compare/muse-spark-vs-muse-spark-1-2)
- [Beam vs Muse Spark 1.2](/compare/muse-spark-1-2-vs-reflection-beam)
- [Muse Spark vs Muse Spark 1.1](/compare/muse-spark-vs-muse-spark-1-1)
- [Beam vs Muse Spark 1.1](/compare/muse-spark-1-1-vs-reflection-beam)

## Explore More

- [Muse Spark profile](/models/muse-spark)
- [Beam profile](/models/reflection-beam)
- [Compare Pricing](/llm-pricing)
- [Alternative Finder](/tools/alternative-finder)
- [LLM Selector](/tools/llm-selector)
- [Overall Rankings](/best/overall)