Poolside

Laguna XS.2

Laguna XS.2 is an open-weight model from Poolside. Its best result is #95 of 143 on LiveCodeBench with 67.80%.

Developer
Poolside
Released
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Context window
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Price in / out, per 1M tokens
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Weights
Open · Apache 2.0
Inputs
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Reasoning
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Tool use
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Benchmarks

BenchmarkScore barAccuracyRankCost / test
SWE-benchCoding55.20%78 / 85N/A
Vibe Code BenchCoding5.21%101 / 115N/A
LiveCodeBenchCoding67.80%95 / 143N/A
Legal Research BenchLaw0.96%84 / 85N/A
MedCodeMedicine21.25%106 / 107N/A
GPQA DiamondReasoning55.05%117 / 138N/A
MMLU-ProReasoning69.05%126 / 138N/A

Vals AI, as of Oct 24, 2026.

LMArena, by category

LeaderboardRatingRankVotes
WebDevLMArena1303129 / 1244.2K

LMArena, CC BY 4.0, as of Oct 22, 2026. Where a model is rated at several effort levels, its best is shown.

Compare Laguna XS.2

Poolside

Questions

Who makes Laguna XS.2?

Laguna XS.2 is made by Poolside.

Is Laguna XS.2 open source?

Laguna XS.2 has open weights under the Apache 2.0 license.

Sources

Every number on this page comes from these sources; models without a published number show none. Download the data. Cite as “Nexus Explorer, nexus.inc/models”.