OSWorld

H Company has released Holo4, a series of agentic models in 27B dense and 35B-A3B Mixture of Experts sizes that operate across GUIs, code, MCP, and APIs using a single interface. The models score 61.7% (27B) and 30.9% (35B-A3B) on OSWorld 2.0, trailing closed frontier models like Opus 5.5 (81.8%) but at far lower cost.