# Laguna XS.2

> **TL;DR.** Laguna XS.

- **Category:** AI / Developer Tools / Models
- **Stage:** validating
- **Age:** 49 days
- **Origin date:** 2026-04-28
- **First detected:** 2026-04-30
- **Canonical URL:** https://earlyterms.com/term/laguna-xs-2
- **Sources:** 7 primary URLs

## Definition

Laguna XS.2 is Poolside's first open-weight model: a 33B-total / 3B-active Mixture-of-Experts (MoE) coding model released under Apache 2.0 on April 28, 2026. Designed for agentic coding and long-horizon tasks, it runs on a single consumer GPU or a MacBook Pro with 36 GB RAM.

Poolside — a San Francisco AI lab founded in 2023 by former GitHub CTO Jason Warner and Eiso Kant, backed by Nvidia at a $12B valuation — [released the weights on Hugging Face](https://huggingface.co/poolside/Laguna-XS.2) alongside the proprietary 225B Laguna M.1. XS.2 scores 68.2% on SWE-bench Verified and 44.5% on SWE-bench Pro, outperforming Claude Haiku 4.5 (39.5%) and Gemma 4 31B (35.7%) despite 3B active parameters.

## Analogy

Think of it as a sports car engine that fits under a motorcycle hood.

## Why it's emerging now

Poolside broke out of stealth on April 28 with two Laguna models and a bold open-weight bet: XS.2 delivers 68.2% SWE-bench Verified at 3B active parameters under Apache 2.0, directly challenging Chinese open-weight leaders and running comfortably on a MacBook Pro.

## Related terms

- *parent:* agentic-coding
- *parent:* coding-agents
- *related:* managed-agents
- *related:* agent-harness
- *related:* mlx
- *competitor:* openclaw
- *competitor:* qwen3-6
- *competitor:* Devstral
- *related:* Laguna M.1
- *related:* SWE-bench
- *parent:* Poolside
- *related:* opencode

## Sources

1. [Poolside: Introducing Laguna XS.2 and Laguna M.1 (launch announcement)](https://poolside.ai/blog/introducing-laguna-xs2-m1)
2. [Poolside Engineering: Laguna XS.2 and M.1 — technical deep-dive](https://poolside.ai/blog/laguna-a-deeper-dive)
3. [Hugging Face: poolside/Laguna-XS.2 model card](https://huggingface.co/poolside/Laguna-XS.2)
4. [VentureBeat: Poolside launches Laguna XS.2 for local agentic coding](https://venturebeat.com/technology/american-ai-startup-poolside-launches-free-high-performing-open-model-laguna-xs-2-for-local-agentic-coding)
5. [Ollama: laguna-xs.2 model library page](https://ollama.com/library/laguna-xs.2)
6. [Hacker News: Laguna XS.2 and M.1 discussion (99 points)](https://news.ycombinator.com/item?id=47936511)
7. [Wikipedia: Poolside AI — company background and funding](https://en.wikipedia.org/wiki/Poolside_AI)

---
_Generated by EarlyTerms · https://earlyterms.com/term/laguna-xs-2_