Poolside Laguna XS 2.1 (free)

Laguna XS 2.1 is a 33B Mixture-of-Experts coding-agent model from Poolside, with 3B activated parameters per token and a 262K-token context window. It is optimized for agentic software engineering workflows including code generation, repository-scale reasoning, and terminal-style tool use, and is available as a free inference endpoint on OpenRouter. Source: supabase.