Model comparison
Laguna S 2.1 vs Muse Spark
Head-to-head evidence from 2 shared benchmark results across 2 categories. Overall scores shown here use the public BenchAlign v5 ranking lane.
Public leaderboard positions: Laguna S 2.1 unranked (Not scored); Muse Spark #13 (Supported). Intervals and evidence labels describe ranking uncertainty, not a guarantee for a specific workload.
Evidence parity. Laguna S 2.1 and Muse Spark share 2 comparable benchmark results. 2 of 8 categories are comparable. 4 results are unique to Laguna S 2.1; 37 to Muse Spark.
Updated July 21, 2026- Shared results
- 2
- Laguna S 2.1 only
- 4
- Muse Spark only
- 37
- Comparable categories
- 2 / 8
Treat this as a split decision. Laguna S 2.1 makes more sense if agentic is the priority or you need the larger 1M context window; Muse Spark is the better fit if coding is the priority.
Confidence note. This is a partial-evidence comparison with 2 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 S 2.1 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.
Laguna S 2.1 gives you the larger context window at 1M, compared with 262K for Muse Spark.
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 S 2.1 | Δ | Muse Spark |
|---|---|---|---|
| Agentic | Laguna S 2.170.2 | Margin← 11.2 | Muse Spark59.0 |
| Coding | Laguna S 2.159.4 | Margin→ 8.4 | Muse Spark67.8 |
| Reasoning | Laguna S 2.1Not measured | MarginNo overlap | Muse Spark42.5 |
| Knowledge | Laguna S 2.1Not measured | MarginNo overlap | Muse Spark50.4 |
| Math | Laguna S 2.1Not measured | MarginNo overlap | Muse Spark32.9 |
| Multimodal | Laguna S 2.1Not 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 70.2%B 59%Winner: Laguna S 2.1Δ 11.2Terminal-Bench 2.0: Laguna S 2.1 scored 70.2%; Muse Spark scored 59%. Laguna S 2.1 wins this benchmark. - Source ↗
SWE-bench Pro
CodingA 59.4%B 52.4%Winner: Laguna S 2.1Δ 7SWE-bench Pro: Laguna S 2.1 scored 59.4%; Muse Spark scored 52.4%. Laguna S 2.1 wins this benchmark.
Operational comparison
Runtime and commercial metrics are compared only when both models have a complete sourced value.
| Metric | Laguna S 2.1 | Muse Spark | Comparison |
|---|---|---|---|
| Input / output priceUSD per 1M tokens | Laguna S 2.1$0.1 input / $0.2 output | Muse SparkNot available | A complete price comparison is not available. |
| Generation speedtokens per second | Laguna S 2.1Not available | Muse SparkNot available | A complete speed comparison is not available. |
| First-answer latencyseconds to first token | Laguna S 2.1Not available | Muse SparkNot available | A complete latency comparison is not available. |
| Context windowmaximum listed tokens | Laguna S 2.11M | Muse Spark262K | Laguna S 2.1 lists the larger context window. |
Benchmark Deep Dive
AgenticLaguna S 2.1 wins9 benchmarks
| Benchmark | Laguna S 2.1 | Muse Spark | Result |
|---|---|---|---|
| Terminal-Bench 2.0Source | 70.2% | 59% | Laguna S 2.1 leads |
| Toolathlon-VerifiedSource | 49.7% | — | Not comparable |
| 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 | — | 1144 | Not comparable |
CodingMuse Spark wins9 benchmarks
| Benchmark | Laguna S 2.1 | Muse Spark | Result |
|---|---|---|---|
| Terminal-Bench 2.0Source | 70.2% | — | Not comparable |
| SWE MultilingualSource | 78.5% | — | Not comparable |
| SWE-bench ProSource | 59.4% | 52.4% | Laguna S 2.1 leads |
| deepSweSource | 40.4% | — | Not comparable |
| SWE-bench VerifiedSource | — | 77.4% | 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 S 2.1 | 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 S 2.1 | 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 S 2.1 | Muse Spark | Result |
|---|---|---|---|
| AA-IFBenchSource | — | 75.9% | Not comparable |
Frequently Asked Questions (3)
Which is better, Laguna S 2.1 or Muse Spark?
Laguna S 2.1 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 S 2.1 or Muse Spark?
Muse Spark has the edge for coding in this comparison, averaging 67.8 versus 59.4. Inside this category, SWE-bench Pro is the benchmark that creates the most daylight between them.
Which is better for agentic tasks, Laguna S 2.1 or Muse Spark?
Laguna S 2.1 has the edge for agentic tasks in this comparison, averaging 70.2 versus 59. Inside this category, Terminal-Bench 2.0 is the benchmark that creates the most daylight between them.
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