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Poolside

AI company building open-weight Laguna coding models, based in San Francisco.

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Models22 with open weights
Hosts0none at a verified price yet
Deals now2free models, discounts, promotions

Poolside models 2

Newest first
ModelReleasedWeightsHostsCheapest hostInputOutput
Laguna S 2.1free nowJul 2026Open · OpenMDW-1.1—no published price——
Laguna XS 2.1free nowJul 2026Open · OpenMDW-1.1—no published price——

2 of 2 models · prices per million tokens at the cheapest host, read Oct 23, 09:51 UTC

Deals now

About Poolside

Founded
April 2023, San Francisco, USA2, 7
Headquarters
San Francisco, USA1, 2
Founders
Jason Warner (former GitHub CTO) and Eiso Kant8, 9, 10
Led by
Eiso Kant and Jason Warner (co-CEOs)4
First model
Laguna M.1 and Laguna XS.2, April 20263, 4
Weights
Open weights (Apache 2.0 for XS.2; OpenMDW-1.1 for the 2.1 models)3, 4, 5, 6
Official API operated from
United States (processing may span several countries)1, 11
Mission
"Our mission is to drive abundance for humanity by creating artificial general intelligence."12

Poolside was founded in April 2023 in San Francisco by Jason Warner, a former CTO of GitHub, and Eiso Kant.2, 7, 8, 9, 10

Its stated mission is to drive abundance for humanity by creating artificial general intelligence, and it says the route there runs through software development.8, 12

The company trains its models with an internal platform called the Model Factory.7

The first two models of its Laguna family, Laguna M.1 and Laguna XS.2, were released on 28 April 2026 together with two products in preview.3, 4

XS.2 was its first open-weight release, with weights under Apache 2.0, and M.1 weights were made available afterwards.3, 4, 5, 6

Laguna XS 2.1, an upgraded version of XS.2, followed on 2 July 2026 under the OpenMDW-1.1 license, and Laguna S 2.1, a model with 118 billion total parameters, was released on 21 July 2026.3, 4, 5, 6

A macOS desktop assistant for running coding agents arrived on 28 July 2026.13

As of April 2026, Eiso Kant and Jason Warner are co-CEOs.4

Poolside, Inc. is a Delaware corporation with offices in San Francisco, and its terms are governed by California law.1, 2, 11

Official links

Sources

  1. Poolside Terms of Use — Poolside · poolside.ai · read Oct 23
  2. Poolside CEO says most companies shouldn't build foundation models | TechCrunch · techcrunch.com · read Oct 23
  3. Laguna XS.2 and M.1: A Deeper Dive — Poolside · poolside.ai · read Oct 23
  4. Introducing Laguna XS.2 and Laguna M.1 — Poolside · poolside.ai · read Oct 23
  5. Introducing Laguna XS 2.1 — Poolside · poolside.ai · read Oct 23
  6. Introducing Laguna S 2.1 — Poolside · poolside.ai · read Oct 23
  7. Research — Poolside · poolside.ai · read Oct 23
  8. Our vision: Purpose — Poolside · poolside.ai · read Oct 23
  9. Citigroup’s Global Technology Banking Chief Philip Drury Joins AI company Poolside as Chief Investment Officer — Poolside · poolside.ai · read Oct 23
  10. AI coding startup Poolside raises $500M from eBay, Nvidia, and others | TechCrunch · techcrunch.com · read Oct 23
  11. Poolside Privacy Policy — Poolside · poolside.ai · read Oct 23
  12. Poolside · poolside.ai · read Oct 23
  13. Introducing Poolside Desktop Assistant, for macOS — Poolside · poolside.ai · read Oct 23

Every fact above links to its source and the date it was read; last checked Oct 23. Not affiliated with Poolside. Corrections or removal on request: contact.