Laguna M.1 is a 225B-parameter mixture-of-experts model with 23B activated parameters per token, designed for agentic coding and long-horizon tasks. It achieves competitive performance on SWE-bench Verified (74.6%), SWE-bench Multilingual (63.1%), and Terminal-Bench 2.0 (45.8%), outperforming models like Devstral 2 and GLM-4.7 on key benchmarks.