# Muse Spark Open vs SWE-2 Flash

> Side-by-side benchmark comparison for Muse Spark Open and SWE-2 Flash across agentic, coding, multimodal, knowledge, reasoning, multilingual, and math tasks.

- Canonical page: https://benchlm.ai/compare/muse-spark-open-vs-swe-2-flash
- Last updated: November 5, 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 Open and SWE-2 Flash 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.

## Model Snapshot

| Property | Muse Spark Open | SWE-2 Flash |
|----------|----------|----------|
| Creator | Meta | Cognition |
| Type | Open Weight | Proprietary |
| Reasoning | Reasoning | Reasoning |
| Context | 1M | 1M |
| Independent public score (not head-to-head) | 51.24 | null |
| Benchmarks Covered | 9 | 7 |
| Pricing (input/output) | Pricing unavailable / Pricing unavailable | Pricing unavailable / Pricing unavailable |

## Category Breakdown

### Agentic

- Winner: Insufficient shared evidence
- Muse Spark Open public-lane score: 51.9 (Estimated · #51/135)
- SWE-2 Flash public-lane score: Coming soon

| Benchmark | Muse Spark Open | SWE-2 Flash | Winner |
|-----------|-----------|-----------|--------|
| JobBench | 61.8% | Coming soon | Coming soon |
| MCP Atlas | 89.2% | Coming soon | Coming soon |
| HLE w/ tools | 61.0% | Coming soon | Coming soon |
| Toolathlon-Verified | 72.8% | Coming soon | Coming soon |
| MazeBench | 0% | Coming soon | Coming soon |
| Terminal-Bench 2.1 | Coming soon | 89.2% | Coming soon |
| Terminal-Bench 4.0 | Coming soon | 20.00% | Coming soon |

### Coding

- Winner: Insufficient shared evidence
- Muse Spark Open public-lane score: 51.5 (Supported · #41/156)
- SWE-2 Flash public-lane score: Coming soon

| Benchmark | Muse Spark Open | SWE-2 Flash | Winner |
|-----------|-----------|-----------|--------|
| FrontierCode 2.0 | 6.2% | 24.0% | SWE-2 Flash |
| FrontierCode 1.1 Main | Coming soon | 45.5% | Coming soon |
| Terminal-Bench 2.1 | Coming soon | 89.2% | Coming soon |
| DeepSWE | Coming soon | 60.1% | Coming soon |
| SWE-Atlas Codebase QnA | Coming soon | 50.0% | Coming soon |

### Reasoning

- Winner: Insufficient shared evidence
- Muse Spark Open public-lane score: 78.8 (Unranked · 2 rankable rows)
- SWE-2 Flash public-lane score: Coming soon

### Multimodal & Grounded

- Winner: Insufficient shared evidence
- Muse Spark Open public-lane score: 83.9 (Unranked · 4 rankable rows)
- SWE-2 Flash public-lane score: Coming soon

| Benchmark | Muse Spark Open | SWE-2 Flash | Winner |
|-----------|-----------|-----------|--------|
| ZeroBench | 50.0% | Coming soon | Coming soon |
| BabyVision | 80.2% | Coming soon | Coming soon |
| SimpleVQA | 73.6% | Coming soon | Coming soon |

### Knowledge

- Winner: Insufficient shared evidence
- Muse Spark Open public-lane score: 59.9 (Supported · #48/177)
- SWE-2 Flash public-lane score: Coming soon

## FAQ

### Is there enough evidence to pick between Muse Spark Open and SWE-2 Flash?

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 Open vs SWE-1.7](/compare/muse-spark-open-vs-swe-1-7)
- [SWE-2 Flash vs SWE-1.7](/compare/swe-1-7-vs-swe-2-flash)
- [Muse Spark Open vs SWE-2](/compare/muse-spark-open-vs-swe-2)
- [SWE-2 Flash vs SWE-2](/compare/swe-2-vs-swe-2-flash)

## Explore More

- [Muse Spark Open profile](/models/muse-spark-open)
- [SWE-2 Flash profile](/models/swe-2-flash)
- [Compare Pricing](/llm-pricing)
- [Alternative Finder](/tools/alternative-finder)
- [LLM Selector](/tools/llm-selector)
- [Overall Rankings](/best/overall)