Model comparison
Laguna XS.2 vs Muse Spark
Head-to-head evidence from 3 shared benchmark results across 2 categories. Overall scores shown here use the public BenchAlign v5 ranking lane.
Public leaderboard positions: Laguna XS.2 unranked (Not scored); Muse Spark #16 (Supported). Intervals and evidence labels describe ranking uncertainty, not a guarantee for a specific workload.
Evidence parity. Laguna XS.2 and Muse Spark share 3 comparable benchmark results. 2 of 8 categories are comparable. 2 results are unique to Laguna XS.2; 36 to Muse Spark.
Updated July 27, 2026- Shared results
- 3
- Laguna XS.2 only
- 2
- Muse Spark only
- 36
- Comparable categories
- 2 / 8
Treat this as a split decision. Laguna XS.2 makes more sense if its workflow fits your team better; Muse Spark is the better fit if agentic is the priority or you need the larger 262K context window.
Confidence note. This is a partial-evidence comparison with 3 shared benchmark results across 2 evidence categories; 2 of 8 categories currently have scoreable aggregates for both models. Treat the verdict as directional until coverage is more balanced.
Why this result
Laguna XS.2 and Muse Spark finish on the same BenchAlign overall score, so this is less about a single winner and more about where the edge shows up. The BenchAlign headline says tie; the benchmark table is where the real choice happens.
Muse Spark gives you the larger context window at 262K, compared with 256K for Laguna XS.2.
Category breakdown
Exact category averages are shown below. Not measured means BenchLM does not have enough sourced public coverage for that model and category.
| Category | Laguna XS.2 | Δ | Muse Spark |
|---|---|---|---|
| Agentic | Laguna XS.235.7 | Margin→ 23.3 | Muse Spark59.0 |
| Coding | Laguna XS.260.8 | Margin→ 7.0 | Muse Spark67.8 |
| Reasoning | Laguna XS.2Not measured | MarginNo overlap | Muse Spark42.5 |
| Knowledge | Laguna XS.2Not measured | MarginNo overlap | Muse Spark50.4 |
| Math | Laguna XS.2Not measured | MarginNo overlap | Muse Spark32.9 |
| Multimodal | Laguna XS.2Not measured | MarginNo overlap | Muse Spark82.5 |
Decisive benchmark drivers
The largest measured benchmark gaps in this matchup, with exact reported values.
More
- Source ↗
Terminal-Bench 2.0
AgenticA 35.7%B 59%Winner: Muse SparkΔ 23.3Terminal-Bench 2.0: Laguna XS.2 scored 35.7%; Muse Spark scored 59%. Muse Spark wins this benchmark. - Source ↗
SWE-bench Verified
CodingA 69.9%B 77.4%Winner: Muse SparkΔ 7.5SWE-bench Verified: Laguna XS.2 scored 69.9%; Muse Spark scored 77.4%. Muse Spark wins this benchmark. - Source ↗
SWE-bench Pro
CodingA 46.3%B 52.4%Winner: Muse SparkΔ 6.1SWE-bench Pro: Laguna XS.2 scored 46.3%; Muse Spark scored 52.4%. Muse Spark wins this benchmark.
Operational comparison
Runtime and commercial metrics are compared only when both models have a complete sourced value.
| Metric | Laguna XS.2 | Muse Spark | Comparison |
|---|---|---|---|
| Input / output priceUSD per 1M tokens | Laguna XS.2$0 input / $0 output | Muse SparkNot available | A complete price comparison is not available. |
| Generation speedtokens per second | Laguna XS.2Not available | Muse SparkNot available | A complete speed comparison is not available. |
| First-answer latencyseconds to first token | Laguna XS.2Not available | Muse SparkNot available | A complete latency comparison is not available. |
| Context windowmaximum listed tokens | Laguna XS.2256K | Muse Spark262K | Muse Spark lists the larger context window. |
Benchmark Deep Dive
AgenticMuse Spark wins8 benchmarks
| Benchmark | Laguna XS.2 | Muse Spark | Result |
|---|---|---|---|
| Terminal-Bench 2.0Source | 35.7% | 59% | Muse Spark leads |
| τ²-bench resultsSource | — | 91.5% | Not comparable |
| DeepSearchQASource | — | 74.8% | Not comparable |
| CyberGymSource | — | 43.5% | Not comparable |
| Claw-EvalSource | — | 63.8% | Not comparable |
| AA Agentic IndexSource | — | 28.7% | Not comparable |
| GDPval-AASource | — | 32.2% | Not comparable |
| GDPval-AASource | — | 1143 | Not comparable |
CodingMuse Spark wins8 benchmarks
| Benchmark | Laguna XS.2 | Muse Spark | Result |
|---|---|---|---|
| SWE-bench VerifiedSource | 69.9% | 77.4% | Muse Spark leads |
| SWE MultilingualSource | 57.7% | — | Not comparable |
| SWE-bench ProSource | 46.3% | 52.4% | Muse Spark leads |
| Terminal-Bench 2.0Source | 35.7% | — | Not comparable |
| LiveCodeBench ProSource | — | 80.0% | Not comparable |
| Vibe Code BenchSource | — | 19.67% | Not comparable |
| AA Coding IndexSource | — | 58.6% | Not comparable |
| AA-SciCodeSource | — | 51.5% | Not comparable |
Reasoning3 benchmarks
Knowledge11 benchmarks
| Benchmark | Laguna XS.2 | Muse Spark | Result |
|---|---|---|---|
| GPQA-DSource | — | 89.5% | Not comparable |
| HLESource | — | 50.4% | Not comparable |
| HLE w/o toolsSource | — | 42.8% | Not comparable |
| HealthBench HardSource | — | 42.8% | Not comparable |
| MedXpertQA (Text)Source | — | 52.6% | Not comparable |
| Artificial Analysis Intelligence IndexSource | — | 43.1% | Not comparable |
| AA-GPQA DiamondSource | — | 88.4% | Not comparable |
| AA-HLESource | — | 39.9% | Not comparable |
| AA-Omniscience IndexSource | — | 4.1% | Not comparable |
| AA-Omniscience AccuracySource | — | 44.6% | Not comparable |
| AA-Omniscience Hallucination RateSource | — | 73.2% | Not comparable |
Math2 benchmarks
Multimodal8 benchmarks
| Benchmark | Laguna XS.2 | Muse Spark | Result |
|---|---|---|---|
| CharXivSource | — | 86.4% | Not comparable |
| MMMU-ProSource | — | 80.4% | Not comparable |
| ERQASource | — | 64.7% | Not comparable |
| SimpleVQASource | — | 71.3% | Not comparable |
| ScreenSpot ProSource | — | 84.1% | Not comparable |
| ZeroBenchSource | — | 33.0% | Not comparable |
| MedXpertQA (MM)Source | — | 78.4% | Not comparable |
| AA-MMMU-ProSource | — | 80.5% | Not comparable |
Inst. Following1 benchmarks
| Benchmark | Laguna XS.2 | Muse Spark | Result |
|---|---|---|---|
| AA-IFBenchSource | — | 75.9% | Not comparable |
Frequently Asked Questions (3)
Which is better, Laguna XS.2 or Muse Spark?
Laguna XS.2 and Muse Spark are tied on the BenchAlign overall score, so the right pick depends on which category matters most for your use case.
Which is better for coding, Laguna XS.2 or Muse Spark?
Muse Spark has the edge for coding in this comparison, averaging 67.8 versus 60.8. Inside this category, SWE-bench Verified is the benchmark that creates the most daylight between them.
Which is better for agentic tasks, Laguna XS.2 or Muse Spark?
Muse Spark has the edge for agentic tasks in this comparison, averaging 59 versus 35.7. Inside this category, Terminal-Bench 2.0 is the benchmark that creates the most daylight between them.
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