H Company Releases Holo4 Computer Use Models

H Company announced on its website Holo4, a series of models that can click and type in graphical interfaces, run code and call MCP or API tools. The series includes a dense 27 billion parameter model and Holo4-35B-A3B, a mixture of experts model with 35 billion total parameters and 3 billion active parameters.

H Company reports that Holo4 27B scored 85.2% on OSWorld at a cost of $0.08 per task. In the company's harness, it also scored 61.7% on OSWorld 2.0, 45.4% on AutomationBench and 85.1% on AndroidWorld. The company notes that public comparison scores can use different harnesses, effort levels and task subsets.

Both models are available through the H Models API and as weights on Hugging Face, with a 262,000 token context window. Holo4-35B-A3B uses the Apache 2.0 license, while Holo4 27B is limited to research use. H Company also released Holotron4 Nano, an updated agent model based on NVIDIA Nemotron 3 Nano Omni.