Poolside builds open-weight foundation models for agentic coding, trained from scratch on its own data, infrastructure, and reinforcement learning.

Products & media

Poolside Platform

A production-grade system for deploying governed AI agents inside an organization’s security boundary, with sandboxed execution, audit trails, encrypted credentials, and flexible deployment.

pool

A lightweight ACP-compatible terminal coding agent that runs Poolside’s Laguna models for software-development tasks.

Poolside Assistant

Editor extensions and ACP connections that bring Poolside agents into Visual Studio, VS Code, Zed, and JetBrains.

Laguna S 2.1

An open-weight 118B-parameter mixture-of-experts model for long-horizon agentic coding, activating 8B parameters with a one-million-token context window.

Laguna XS 2.1

A lightweight open-weight 33B-parameter mixture-of-experts coding model that activates 3B parameters and is small enough to run on-device.

Poolside Desktop Assistant

A macOS desktop client for working with multiple Poolside agents and models across software projects.

Cosigns

Rak GargPartner at Bain Capital Ventures investing in cyber and national security.
“Together, Jason and Eiso display a rare combination of tenacity, domain depth and product intuition.”
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