Poolside Releases Laguna XS.2 and M.1: High-Performance Open-Source Agentic Coding Models

Summary

Poolside AI launched two agentic coding models on April 28, 2026: Laguna XS.2 (33B total/3B active MoE, Apache 2.0) and Laguna M.1, representing the company's first open-weight releases. Laguna XS.2 achieves 44.5% on SWE-bench Pro and 30.1% on Terminal-Bench 2.0 — competitive benchmarks for a model compact enough to run on a single GPU or a Mac with 36 GB of RAM via Ollama. Laguna M.1 reaches 72.5% on SWE-bench Verified. Both models are available free via Poolside's API and OpenRouter for a limi