Laguna XS 2.1

Poolside· released 2 Jul 2026

poolside/laguna-xs-2.1

Input / 1M tokens: $0.06
Output / 1M tokens: $0.12

Context window262K tokens

Longest answer: 33K tokens

reads textopen weightstool callingreasoning

About

Laguna XS 2.1 is a Poolside text-output model in the 33B-A3B category, described as a coding agent model. It was released on 2026-07-02 and is presented as a step forward from Poolside's Laguna XS.2, released in April 2026. The model has open weights, with Hugging Face id poolside/Laguna-XS-2.1 and model id poolside/laguna-xs-2.1. It accepts text, supports tools and reasoning, and has a context window of 262,144 tokens. Its maximum output is 32,768 tokens. Pricing is USD 0.06 per 1M input tokens and USD 0.12 per 1M output tokens. These facts give builders concrete details for considering it in coding-agent workflows, including the open-weight listing, tool and reasoning support, and context and output limits. The official site is https://openrouter.ai/poolside/laguna-xs-2.1.

Who it is for

Laguna XS 2.1 suits builders considering a coding-agent model with open weights. It accepts text and supports tools and reasoning.

What is good

Listed as having open weights.
Designed as a coding agent model.
Supports tools and reasoning.
Context window is 262,144 tokens.
Input: USD 0.06; output: USD 0.12 per 1M tokens.

What to know first

Only text input is listed.
Only text output is listed.

Verdict

Laguna XS 2.1 offers open weights, tool and reasoning support, and a stated coding-agent role. Its listed context, output limits and token rates help define its fit.

Details

Lab: Poolsideopenrouter.ai · 3 Oct 2026
Context: 262Kopenrouter.ai · 3 Oct 2026
Input price: $0.06 / 1Mopenrouter.ai · 3 Oct 2026
Output price: $0.12 / 1Mopenrouter.ai · 3 Oct 2026
Max output: 32,768 tokensopenrouter.ai · 3 Oct 2026
Inputs: textopenrouter.ai · 3 Oct 2026
Open weights: Yesopenrouter.ai · 3 Oct 2026

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Sources

openrouter.ai/poolside/laguna-xs-2.1· checked 3 Oct 2026