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Laguna XS.2

Poolside

Key facts · verified Oct 27, 2026

Laguna XS.2 is a Poolside model released on 28 Apr 2026. Pricing: Free for a limited time at launch (Poolside API, OpenRouter); open weights. Its context window is 256K tokens. It is not yet ranked on LMArena's text leaderboard. Source: poolside.ai.

Poolside’s Laguna XS.2, released on 28 April 2026 as its first open-weight model: 33 billion total and 3 billion active parameters, trained for agentic coding and small enough to run on a single GPU. Weights are under Apache 2.0, it runs locally through Ollama, and Poolside serves it at a 256K-token context. At launch it was free for a limited time on Poolside’s API and OpenRouter.

Pricing & specs checkedSource: vendor documentation · checked Oct 27, 2026
Pricing

Free for a limited time at launch (Poolside API, OpenRouter); open weights

Context

256K tokens

LMArena Elo

Not rated

LMArena rank

Not ranked

Key Features

Open Weights Agentic Coding Runs Locally Long Context

Full Specifications

Free for a limited time at launch (Poolside API, OpenRouter); open weights
Identity
DeveloperPoolside
ReleasedApr 2026
StatusPreview
LicenceApache 2.0 (open weights)
Self-hostableYes — single GPU; Ollama (laguna-xs.2)
Capacity
Context window256K tokens
Access
APIYes — Poolside API (platform.poolside.ai), OpenRouter
Fine-tuningYes — open weights under Apache 2.0