# Jason Warner (slim)

> Jason Warner is co-founder and CEO of Poolside. Laguna M.1, Laguna S 2.1 and Laguna XS 2.1 on Anchor Terminal, with grades, an about and public profiles.

- Full: https://www.anchorterminal.com/people/jason-warner/index.md (~1,000 tokens) · this version ~780 tokens · JSON https://www.anchorterminal.com/people/jason-warner/index.json · canonical https://www.anchorterminal.com/people/jason-warner/
- Index: https://www.anchorterminal.com/llms.txt · API: https://www.anchorterminal.com/api/v1/index.json · MCP: https://www.anchorterminal.com/mcp · Updated: 2026-10-28
- Licence: CC BY 4.0, credit Anchor Terminal and link this page (https://www.anchorterminal.com/terms/#data)

Co-founder and CEO, Poolside.

Jason Warner co-founded Poolside in early 2023 with Eiso Kant and is its CEO.

## What Jason builds

- [Laguna M.1](https://www.anchorterminal.com/tools/laguna-m-1.md), graded C, 55.5/100, in 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 2026-10-27.
- [Laguna S 2.1](https://www.anchorterminal.com/tools/laguna-s-2-1.md), graded C, 61/100, in 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 2026-10-27.
- [Laguna XS 2.1](https://www.anchorterminal.com/tools/laguna-xs-2-1.md), graded C, 61/100, in 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 2026-10-27.

## Works with

- [Eiso Kant](https://www.anchorterminal.com/people/eiso-kant/), Co-founder and CTO, Poolside

## Backed by

- [Bain Capital Ventures](https://www.anchorterminal.com/investors/bain-capital-ventures/)
- [eBay](https://www.anchorterminal.com/investors/ebay/)
- [NVIDIA](https://www.anchorterminal.com/investors/nvidia/)

## Questions

### Who is Jason Warner?

Jason Warner co-founded Poolside in early 2023 with Eiso Kant and is its CEO.

### What does Poolside make?

Anchor Terminal lists Laguna M.1, Laguna S 2.1 and Laguna XS 2.1 from Poolside.

### 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

- https://poolside.ai/vision/purpose
- https://docs.poolside.ai/
- https://docs.poolside.ai/support/overview
- https://huggingface.co/poolside/Laguna-M.1
- https://en.wikipedia.org/wiki/Poolside_AI
- https://huggingface.co/poolside/Laguna-S-2.1
- https://huggingface.co/poolside/Laguna-XS-2.1

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.