# Laguna S 2.1 vs Muse Spark 1.2

> Side-by-side benchmark comparison for Laguna S 2.1 and Muse Spark 1.2 across agentic, coding, multimodal, knowledge, reasoning, multilingual, and math tasks.

- Canonical page: https://benchlm.ai/compare/laguna-s-2-1-vs-muse-spark-1-2
- Last updated: September 18, 2026

- Shared sourced benchmarks: 1
- HTML indexing: indexable
- Ranking lane: BenchAlign v5

## Quick Verdict

Evidence is too thin for a benchmark verdict: Laguna S 2.1 and Muse Spark 1.2 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.
- Laguna S 2.1 has the lower published output-token price.

## Model Snapshot

| Property | Laguna S 2.1 | Muse Spark 1.2 |
|----------|----------|----------|
| Creator | Poolside | Meta |
| Type | Open Weight | Proprietary |
| Reasoning | Reasoning | Reasoning |
| Context | 1M | 1M |
| Independent public score (not head-to-head) | null | 70.28 |
| Benchmarks Covered | 6 | 8 |
| Pricing (input/output) | $0.10 / $0.20 | $1.25 / $4.25 |

## Category Breakdown

### Agentic

- Winner: Insufficient shared evidence
- Laguna S 2.1 public-lane score: 47.3 (Estimated · #72/154)
- Muse Spark 1.2 public-lane score: 61 (Supported · #16/154)

| Benchmark | Laguna S 2.1 | Muse Spark 1.2 | Winner |
|-----------|-----------|-----------|--------|
| Terminal-Bench 2.0 | 70.2% | Coming soon | Coming soon |
| Toolathlon-Verified | 49.7% | Coming soon | Coming soon |
| Terminal-Bench 2.1 | Coming soon | 82.9% | Coming soon |
| Terminal-Bench 2.1 (Vals) | Coming soon | 69.7% | Coming soon |

### Coding

- Winner: Insufficient shared evidence
- Laguna S 2.1 public-lane score: 46.7 (Estimated · #84/154)
- Muse Spark 1.2 public-lane score: 60 (Supported · #21/154)

| Benchmark | Laguna S 2.1 | Muse Spark 1.2 | Winner |
|-----------|-----------|-----------|--------|
| Terminal-Bench 2.0 | 70.2% | Coming soon | Coming soon |
| SWE Multilingual | 78.5% | Coming soon | Coming soon |
| SWE-bench Pro | 59.4% | Coming soon | Coming soon |
| DeepSWE | 40.4% | 59.3% | Muse Spark 1.2 |
| Terminal-Bench 2.1 | Coming soon | 82.9% | Coming soon |
| VulcanBench v3 | Coming soon | 87.0% | Coming soon |
| FrontierSWE v2 | Coming soon | 12.0% | Coming soon |
| SWE-bench (Vals) | Coming soon | 86.6% | Coming soon |

### Reasoning

- Winner: Insufficient shared evidence
- Laguna S 2.1 public-lane score: Coming soon
- Muse Spark 1.2 public-lane score: 75.3 (Unranked · 2 rankable rows)

### Knowledge

- Winner: Insufficient shared evidence
- Laguna S 2.1 public-lane score: Coming soon
- Muse Spark 1.2 public-lane score: 70.7 (Estimated · #10/184)

| Benchmark | Laguna S 2.1 | Muse Spark 1.2 | Winner |
|-----------|-----------|-----------|--------|
| MMLU-Pro (Vals) | Coming soon | 88.3% | Coming soon |

## FAQ

### Is there enough evidence to pick between Laguna S 2.1 and Muse Spark 1.2?

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

- [Laguna S 2.1 vs Laguna M.1](/compare/laguna-m-1-vs-laguna-s-2-1)
- [Muse Spark 1.2 vs Laguna M.1](/compare/laguna-m-1-vs-muse-spark-1-2)
- [Laguna S 2.1 vs Laguna XS.2](/compare/laguna-s-2-1-vs-laguna-xs-2)
- [Muse Spark 1.2 vs Laguna XS.2](/compare/laguna-xs-2-vs-muse-spark-1-2)

## Explore More

- [Laguna S 2.1 profile](/models/laguna-s-2-1)
- [Muse Spark 1.2 profile](/models/muse-spark-1-2)
- [Compare Pricing](/llm-pricing)
- [Alternative Finder](/tools/alternative-finder)
- [LLM Selector](/tools/llm-selector)
- [Overall Rankings](/best/overall)