Holo4: H Company's open-weight agent handles GUI, code and APIs

H Company released Holo4, a family of open-weight agentic models in 27B dense and 35B-A3B MoE configurations built on Qwen3.8. A single model interacts through any interface: GUIs, code execution, MCP servers and REST APIs. Holo4 27B scores 61.7% on OSWorld 2.0 at $1.22 per task, while the 35B-A3B scores 30.9% at $0.61.

• Holo4 launched September 28, 2026 in 27B dense and 35B-A3B MoE sizes
• 27B model scores 85.2% on OSWorld, 85.1% on AndroidWorld, 45.4% on AutomationBench
• Agentic Task Factory pipeline generated roughly 10,000 verifiable tasks
• Open weights on HuggingFace in BF16, FP8, NVFP4 and 4-bit GGUF