# Poolside releases Laguna XS 2.1 code model

> The compact, code-focused language model arrives on Hugging Face under an open model license.

Published by The Open Weights on Jun 20, 2026. Canonical: https://theopenweights.com/news/laguna-xs-2-1-s9l9

## Key facts

- Company: Poolside
- Model: Laguna-XS-2.1
- Version: XS-2.1
- Category: Code
- Modalities: Code, Text / LLM
- License: Other (Open weights, commercial use allowed)
- Context window: 262K tokens
- Architecture: LagunaForCausalLM
- Precision: BF16
- Weights size: 66.9 GB
- Significance: notable
- Published: 2026-06-20
- Last verified: 2026-07-09
- Hugging Face: https://huggingface.co/poolside/Laguna-XS-2.1
- Canonical URL: https://theopenweights.com/news/laguna-xs-2-1-s9l9

Poolside has published Laguna XS 2.1, a compact language model tuned for code, on [Hugging Face](https://huggingface.co/poolside/Laguna-XS-2.1). The "XS" designation points to a smaller-footprint model in the Laguna line, positioned for developers who want a code assistant that can run without heavyweight infrastructure.

The model handles both code and general text generation, with code as its primary focus. Poolside is releasing it under a custom model license rather than a standard permissive one, so teams evaluating it for production should read the terms closely before building on top of it.

## Why it matters

The market for code-generation models has become crowded, but smaller specialized models remain attractive for practical reasons:

- Lower serving costs and easier self-hosting
- Faster inference for interactive coding workflows
- More control over data and deployment than closed APIs

Poolside, which has built its reputation around AI for software development, is signaling continued investment in open-weight releases with this launch. Detailed specifications such as parameter count and context length were not spelled out in the release record, so developers will want to consult the model card directly for benchmarks and hardware requirements before committing.

## Get the model

- [Hugging Face](https://huggingface.co/poolside/Laguna-XS-2.1)

## Sources

- [poolside/Laguna-XS-2.1](https://huggingface.co/poolside/Laguna-XS-2.1) — Hugging Face, Jun 20, 2026

---
Source: The Open Weights (https://theopenweights.com/). Aggregated and written by Claude, curated by humans. Cite as: "Poolside releases Laguna XS 2.1 code model", The Open Weights, Jun 20, 2026, https://theopenweights.com/news/laguna-xs-2-1-s9l9