Model comparison
Laguna S 2.1 vs Qwen3.6 Plus
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 S 2.1 unranked (Not scored); Qwen3.6 Plus #30 (Supported). Intervals and evidence labels describe ranking uncertainty, not a guarantee for a specific workload.
Evidence parity. Laguna S 2.1 and Qwen3.6 Plus share 3 comparable benchmark results. 2 of 8 categories are comparable. 3 results are unique to Laguna S 2.1; 57 to Qwen3.6 Plus.
Updated July 21, 2026- Shared results
- 3
- Laguna S 2.1 only
- 3
- Qwen3.6 Plus only
- 57
- Comparable categories
- 2 / 8
Treat this as a split decision. Laguna S 2.1 makes more sense if agentic is the priority; Qwen3.6 Plus is the better fit if coding is the priority.
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 S 2.1 and Qwen3.6 Plus 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.
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 | Qwen3.6 Plus |
|---|---|---|---|
| Coding | Laguna S 2.159.4 | Margin→ 10.9 | Qwen3.6 Plus70.3 |
| Agentic | Laguna S 2.170.2 | Margin← 8.6 | Qwen3.6 Plus61.6 |
| Reasoning | Laguna S 2.1Not measured | MarginNo overlap | Qwen3.6 Plus62.0 |
| Knowledge | Laguna S 2.1Not measured | MarginNo overlap | Qwen3.6 Plus57.1 |
| Math | Laguna S 2.1Not measured | MarginNo overlap | Qwen3.6 Plus60.5 |
| Multilingual | Laguna S 2.1Not measured | MarginNo overlap | Qwen3.6 Plus84.7 |
| Multimodal | Laguna S 2.1Not measured | MarginNo overlap | Qwen3.6 Plus79.8 |
| Inst. Following | Laguna S 2.1Not measured | MarginNo overlap | Qwen3.6 Plus82.3 |
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 61.6%Winner: Laguna S 2.1Δ 8.6Terminal-Bench 2.0: Laguna S 2.1 scored 70.2%; Qwen3.6 Plus scored 61.6%. Laguna S 2.1 wins this benchmark. - Source ↗
SWE-bench Pro
CodingA 59.4%B 56.6%Winner: Laguna S 2.1Δ 2.8SWE-bench Pro: Laguna S 2.1 scored 59.4%; Qwen3.6 Plus scored 56.6%. 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 | Qwen3.6 Plus | Comparison |
|---|---|---|---|
| Input / output priceUSD per 1M tokens | Laguna S 2.1$0.1 input / $0.2 output | Qwen3.6 PlusNot available | A complete price comparison is not available. |
| Generation speedtokens per second | Laguna S 2.1Not available | Qwen3.6 PlusNot available | A complete speed comparison is not available. |
| First-answer latencyseconds to first token | Laguna S 2.1Not available | Qwen3.6 PlusNot available | A complete latency comparison is not available. |
| Context windowmaximum listed tokens | Laguna S 2.11M | Qwen3.6 Plus1M | Listed context windows are equal. |
Benchmark Deep Dive
AgenticLaguna S 2.1 wins17 benchmarks
| Benchmark | Laguna S 2.1 | Qwen3.6 Plus | Result |
|---|---|---|---|
| Terminal-Bench 2.0Source | 70.2% | 61.6% | Laguna S 2.1 leads |
| Toolathlon-VerifiedSource | 49.7% | — | Not comparable |
| Claw-EvalSource | — | 58.8% | Not comparable |
| QwenClawBenchSource | — | 57.2% | Not comparable |
| τ³-bench resultsSource | — | 70.7% | Not comparable |
| VITA-BenchSource | — | 44.3% | Not comparable |
| DeepPlanningSource | — | 41.5% | Not comparable |
| ToolathlonSource | — | 39.8% | Not comparable |
| MCP AtlasSource | — | 48.2% | Not comparable |
| MCP-TasksSource | — | 74.1% | Not comparable |
| WideResearchSource | — | 74.3% | Not comparable |
| AA Agentic IndexSource | — | 27.6% | Not comparable |
| τ²-bench resultsSource | — | 97.7% | Not comparable |
| GDPval-AASource | — | 31.8% | Not comparable |
| GDPval-AASource | — | 1135 | Not comparable |
| Gert LabsSource | — | 50.60% | Not comparable |
| ResearchClawBenchSource | — | 18.0% | Not comparable |
CodingQwen3.6 Plus wins9 benchmarks
| Benchmark | Laguna S 2.1 | Qwen3.6 Plus | Result |
|---|---|---|---|
| Terminal-Bench 2.0Source | 70.2% | — | Not comparable |
| SWE MultilingualSource | 78.5% | 73.8% | Laguna S 2.1 leads |
| SWE-bench ProSource | 59.4% | 56.6% | Laguna S 2.1 leads |
| deepSweSource | 40.4% | — | Not comparable |
| SWE-bench VerifiedSource | — | 78.8% | Not comparable |
| LiveCodeBench v6Source | — | 87.1% | Not comparable |
| Vibe Code BenchSource | — | 25.56% | Not comparable |
| AA Coding IndexSource | — | 54.5% | Not comparable |
| AA-SciCodeSource | — | 40.7% | Not comparable |
Reasoning4 benchmarks
Knowledge12 benchmarks
| Benchmark | Laguna S 2.1 | Qwen3.6 Plus | Result |
|---|---|---|---|
| GPQASource | — | 90.4% | Not comparable |
| SuperGPQASource | — | 71.6% | Not comparable |
| MMLU-ProSource | — | 88.5% | Not comparable |
| MMLU-ReduxSource | — | 94.5% | Not comparable |
| C-EvalSource | — | 93.3% | Not comparable |
| HLESource | — | 28.8% | Not comparable |
| Artificial Analysis Intelligence IndexSource | — | 39.6% | Not comparable |
| AA-GPQA DiamondSource | — | 88.2% | Not comparable |
| AA-HLESource | — | 25.7% | Not comparable |
| AA-Omniscience IndexSource | — | 2.7% | Not comparable |
| AA-Omniscience AccuracySource | — | 26.2% | Not comparable |
| AA-Omniscience Hallucination RateSource | — | 32.0% | Not comparable |
Math7 benchmarks
| Benchmark | Laguna S 2.1 | Qwen3.6 Plus | Result |
|---|---|---|---|
| AIME26Source | — | 95.3% | Not comparable |
| HMMT Feb 2025Source | — | 96.7% | Not comparable |
| HMMT Nov 2025Source | — | 94.6% | Not comparable |
| HMMT Feb 2026Source | — | 87.8% | Not comparable |
| MMAnswerBenchSource | — | 83.8% | Not comparable |
| FrontierMath v2 (Tiers 1-3)Source | — | 26.207% | Not comparable |
| FrontierMath v2 (Tier 4)Source | — | 8.333% | Not comparable |
Multilingual2 benchmarks
Multimodal9 benchmarks
| Benchmark | Laguna S 2.1 | Qwen3.6 Plus | Result |
|---|---|---|---|
| MMMUSource | — | 86.0% | Not comparable |
| MMMU-ProSource | — | 78.8% | Not comparable |
| MathVisionSource | — | 88.0% | Not comparable |
| VideoMMMUSource | — | 84.0% | Not comparable |
| ScreenSpot ProSource | — | 68.2% | Not comparable |
| CharXivSource | — | 81.5% | Not comparable |
| V*Source | — | 96.9% | Not comparable |
| AA-MMMU-ProSource | — | 78.0% | Not comparable |
| Design Arena WebsiteSource | — | 1249 | Not comparable |
Frequently Asked Questions (3)
Which is better, Laguna S 2.1 or Qwen3.6 Plus?
Laguna S 2.1 and Qwen3.6 Plus 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 Qwen3.6 Plus?
Qwen3.6 Plus has the edge for coding in this comparison, averaging 70.3 versus 59.4. Inside this category, SWE Multilingual is the benchmark that creates the most daylight between them.
Which is better for agentic tasks, Laguna S 2.1 or Qwen3.6 Plus?
Laguna S 2.1 has the edge for agentic tasks in this comparison, averaging 70.2 versus 61.6. Inside this category, Terminal-Bench 2.0 is the benchmark that creates the most daylight between them.
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