Founder of a listed tool

Jason Warner

Named behind 3 listings on Anchor Terminal.

Co-founder and CEO, Poolside

Jason Warner co-founded Poolside in early 2023 with Eiso Kant and is its CEO. He was previously CTO of GitHub.

What Jason builds

  • Laguna M.1 C · Open-weight models

    Laguna M.1 is Poolside's first-generation open-weight Mixture-of-Experts model for agentic coding, 225B total and 23B active parameters, with switchable reasoning and a 262,144-token context, published on Hugging Face under Apache 2.0.

    Co-founder and CEO, Poolside, researched 27 October 2026 · the people behind it

  • Laguna S 2.1 C · Open-weight models

    Laguna S 2.1 is Poolside's open-weight Mixture-of-Experts model for agentic coding, 118B total and 8B active parameters, with switchable reasoning and a 1,048,576-token context, published on Hugging Face under OpenMDW-1.1.

    Co-founder and CEO, Poolside, researched 27 October 2026 · the people behind it

  • Laguna XS 2.1 C · Open-weight models

    Laguna XS 2.1 is Poolside's open-weight Mixture-of-Experts coding model, 33B total and 3B active parameters, with switchable reasoning and a 262,144-token context, published on Hugging Face under OpenMDW-1.1.

    Co-founder and CEO, Poolside, researched 27 October 2026 · the people behind it

Works with

Backed by

Questions

Who is Jason Warner?

Jason Warner co-founded Poolside in early 2023 with Eiso Kant and is its CEO. He was previously CTO of GitHub.

What does Poolside make?

Anchor Terminal lists Laguna M.1, Laguna S 2.1 and Laguna XS 2.1 from Poolside. Laguna M.1 is Poolside's first-generation open-weight Mixture-of-Experts model for agentic coding, 225B total and 23B active parameters, with switchable reasoning and a 262,144-token context, published on Hugging Face under Apache 2.0.

Who has invested in Poolside?

The sources our research read name Bain Capital Ventures, eBay and NVIDIA.

How are Jason's tools graded?

Laguna M.1 is graded C, 55.5 out of 100; Laguna S 2.1 is graded C, 61 out of 100; Laguna XS 2.1 is graded C, 61 out of 100, on Anchor Terminal's benchmark, which scores every listing against the same checklist.

Sources (7)

These are the people building the tools we list, named for their public role in the company or project behind a listing, from public pages, with the date it was researched. They don't work for Anchor Terminal (our own team is on the about page). We show public roles, public profiles and what the listing pages show, nothing private. To correct something, send an about or a photo, or have a page removed, write to privacy@anchorterminal.com.

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