BenchLeader

Laguna XS.2

Laguna XS.2 is a Poolside proprietary model, released 28 Apr 2026. Its best configuration ranks #750 of 785 on the BenchLeader Index at 36.3 ±6.3, in the lower half. The ± is the point: 204 other configurations score within that range, so they and this one cannot be told apart on quality alone — price and speed are what separate them. It scores highest in coding (41) and lowest in agents & tools (18). Last measured 23 Oct 2026.

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Released
28 Apr 2026
How it scores by categoryDashed line = average model (50). One step of 15 = one standard deviation.
  1. Overall index36
  2. Coding41
  3. Agents & tools18
  4. Maths30
  5. Knowledge36

How its index has moved

9 Sept 2026 to 5 Oct 2026
303743

The index is recomputed from scratch every day, so a line moves when a new benchmark result lands, when a publisher revises a score, or when the models it is normalised against change. Early movement usually means the score is still settling.

Benchmark results

See all LLM benchmarks. One column per reasoning effort. Rank is among every configuration of every model on that benchmark. Hover a score for the run it came from.

Reasoning

Benchmarknot statedSourceTrend
GPQA Diamond (Vals)not in index55.0%#110Vals AI

Coding

Benchmarknot statedSourceTrend
Arena WebDev1303#118Arena (LMArena)
LiveCodeBench67.8%#91Vals AI
SWE-bench (Vals)not in index55.2%#78Vals AI
ProgramBenchnot in index0.0%#32Vals AI
Vibe Code Bench v1.1not in index5.2%#101Vals AI

Agents & tools

Benchmarknot statedSourceTrend
Terminal-Bench 2.1 (Vals)25.8%#71Vals AI
Finance Agent v2not in index15.6%#76Vals AI
Harvey's Legal Agent Benchmark v1not in index0.0%#61Vals AI
Legal Research Benchnot in index1.0%#80Vals AI
Terminal-Bench 2.0 (Vals)not in index28.1%#46Vals AI

Maths

Benchmarknot statedSourceTrend
ProofBench0.0%#77Vals AI

Knowledge

Benchmarknot statedSourceTrend
MMLU-Pro69.0%#118Vals AI
LegalBench71.0%#116Vals AI
CorpFin56.3%#87Vals AI
TaxEval59.0%#127Vals AI
MedCodenot in index21.3%#102Vals AI
MedScribenot in index61.4%#100Vals AI
Public Benefits Bench v1.1not in index41.4%#48Vals AI

More from Poolside

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Questions people ask

What are Laguna XS.2's benchmark scores?
As of 25 Oct 2026, Laguna XS.2 scores 36.3 ±6.3 on the BenchLeader Index, strongest in coding (41) and weakest in agents & tools (18). That rests on 8 independent benchmark results, and every score on this page links to its publisher.
How does Laguna XS.2 rank?
Laguna XS.2 is #750 of 785 ranked configurations on 25 Oct 2026. 204 other configurations score within its margin, so the exact position matters less than the band. The leader is Claude Opus 5.5 (max effort) at 72.6.
When was Laguna XS.2 released?
Poolside released Laguna XS.2 on 28 Apr 2026.

Data as of 25 Oct 2026. Compare with another model.

Cite as: BenchLeader, “Laguna XS.2: benchmarks, pricing, speed and rank”, data as of 25 Oct 2026, https://www.benchleader.com/models/laguna-xs-2.