Poolside Laguna XS.2 and M.1: Agentic Coding Developer Guide 2026

Poolside released two new agentic coding models on April 28, 2026: Laguna XS.2, a 33B-total/3B-active open-weight MoE model under Apache 2.0 that runs on a single GPU, and Laguna M.1, a 225B-total/23B-active closed flagship trained on 30 trillion tokens. XS.2 scores 68.2% on SWE-bench Verified — competitive with frontier models — while M.1 reaches 72.5%. This guide covers their architectures, benchmark results, how to run XS.2 locally via Ollama, and when to use each model.

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Originally published at https://wowhow.cloud/blogs/poolside-laguna-xs2-m1-agentic-coding-open-source-developer-guide-2026