Laguna-XS.2 is a compact open-source language model developed by poolside and hosted on Hugging Face. It uses a Mixture-of-Experts architecture with 256 experts and supports causal language modeling for text generation tasks. The model includes a custom tokenizer and chat template optimized for conversational use. It can be run locally or self-hosted using standard inference libraries such as vLLM. The model is intended for developers and researchers seeking efficient, customizable AI models that can be deployed without relying on proprietary cloud APIs.
Laguna XS.2 is a Foundation models & chat product. Providing developers with a high-performance open-weight language model for local or self-hosted text generation tasks. It is built as an open-source project for developers and AI researchers. Laguna XS.2 is open source under the Open Source license. It runs on the web and the command line, and it can be self-hosted.
It is developed by poolside, and the product first shipped in 2026. Development happens publicly on GitHub with 309 stars and 19 commits in the last 90 days. Key capabilities include Text Generation, mixture of Experts, and Chat Template.
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