{"rewrite":{"id":"r_152f2f12a66fa73c32baa681","clusterId":"c_bcb8046268158cbd24d72bc4","slug":"poolside-releases-open-model-laguna-xs-2-1-outperforms-claude-haiku-4-5-on-some-tests","model":"deepseek-v4-flash","headline":"Poolside Releases Open Model Laguna Xs 2.1, Outperforms Claude Haiku 4.5 on Some Tests","summary":"US AI company Poolside announced Laguna XS 2.1 on July 2, 2026. The open model is an update to April's Laguna XS.2, with 33 billion total parameters and 3 billion active parameters. It outperformed Claude Haiku 4.5 on several benchmarks but lagged behind Chinese open model Qwen3.6-35B-A3B across all tests. The model runs locally on a Mac with 36GB of memory.","whyItMatters":"Poolside continues a rare US strategy of releasing open models, but the latest version still trails Chinese competitors like Qwen3.6-35B-A3B on every benchmark.","webCardHtml":"\u003cp\u003ePoolside, a US AI company, released Laguna XS 2.1 on July 2, 2026. The open model is an updated version of Laguna XS.2, which came out in April. It keeps the same architecture: a mixture-of-experts model with 33 billion total parameters and 3 billion active parameters.\u003c/p\u003e\u003cp\u003eBenchmark comparisons show Laguna XS 2.1 scored higher than its predecessor on SWE-bench Multilingual, a test of support for multiple programming languages. It also outperformed Claude Haiku 4.5 on several tests. But the Chinese open model Qwen3.6-35B-A3B beat it on every benchmark shown.\u003c/p\u003e\u003cp\u003eThe model is designed for local operation and runs on a Mac with 36GB of memory. Poolside distributes it under the OpenMDW license, promoted by NVIDIA and the Linux Foundation. Quantized versions in FP8, INT4, and NVFP4 formats are also available for machines with less memory.\u003c/p\u003e","blueskyPost":"Laguna XS 2.1's local runtime on a Mac with 36GB memory is notable, but its lag behind Qwen3.6-35B-A3B across all tests suggests Poolside's open model still trails Chinese competitors in benchmark performance.","twitterPost":"Laguna XS 2.1 runs locally on a Mac, but trails Chinese open model Qwen3.6-35B-A3B across all benchmarks.","threadsPost":"Poolside's Laguna XS 2.1 can run locally on a Mac with 36GB memory, a practical edge for developers. But it lagged behind Chinese open model Qwen3.6-35B-A3B on every test, showing the gap between top open models and the rest.","newsletterBlurb":"Poolside released Laguna XS 2.1, an open model that outperforms Claude Haiku 4.5 on several benchmarks but falls behind Chinese model Qwen3.6-35B-A3B on all tests. The model runs locally on a Mac with 36GB of memory and is distributed under the OpenMDW license.","attributionJson":"[{\"source\":\"GIGAZINE\",\"url\":\"https://gigazine.net/news/20260703-laguna-xs-2-1/\",\"title\":\"American-made open model 'Laguna XS 2.1' appears, outperforms Claude Haiku 4.5 in some tests, runs locally\"}]","lintFlagsJson":null,"lintHits":0,"costUsd":0,"inputTokens":4426,"outputTokens":701,"status":"published","repairAttempts":0,"nextRepairAt":null,"factsAttemptedAt":1783049348,"createdAt":"2026-07-03T03:21:45.000Z","publishedAt":"2026-07-03T03:24:50.000Z","updatedAt":"2026-07-03T03:24:50.000Z"},"cluster":{"id":"c_bcb8046268158cbd24d72bc4","canonicalTitle":"アメリカ製オープンモデル「Laguna XS 2.1」が登場、ローカルで動作し一部のテストでClaude Haiku 4.5を上回る","representativeArticleId":"a_183eaf14214f4e4898617e28","sourceCount":1,"writtenSourceCount":1,"writeAttempts":0,"isSolo":true,"entitiesJson":"{\"anime_titles\":[],\"manga_titles\":[],\"work_titles\":[],\"studios\":[],\"people\":[],\"type\":\"news\",\"domain\":\"other\",\"is_roundup\":false}","contentType":"news","status":"published","firstSeenAt":"2026-07-03T02:43:00.000Z","lastSeenAt":"2026-07-03T02:43:00.000Z","updatedAt":"2026-07-03T03:24:51.000Z"},"attribution":[{"source":"GIGAZINE","url":"https://gigazine.net/news/20260703-laguna-xs-2-1/","title":"アメリカ製オープンモデル「Laguna XS 2.1」が登場、ローカルで動作し一部のテストでClaude Haiku 4.5を上回る"}],"entities":{"anime_titles":[],"manga_titles":[],"work_titles":[],"studios":[],"people":[],"type":"news","domain":"other","is_roundup":false},"keyFacts":["Poolside released Laguna XS 2.1 on July 2, 2026, an open model with 33 billion total parameters and 3 billion active parameters.","Laguna XS 2.1 outperformed Claude Haiku 4.5 on several benchmarks but lagged behind Chinese open model Qwen3.6-35B-A3B on all tests.","The model runs locally on a Mac with 36GB of memory and is distributed under the OpenMDW license."]}