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Home/Models & Labs
Models & Labs

Holo4: Generalist Agentic Models for GUI and Code

Hugging Face Blog·September 28, 2026·high confidence

Why it matters

  • →Holo4 unifies GUI, code, and API interaction into a single model architecture, reducing the need for specialized agents.
  • →The 27B dense variant offers strong agentic performance on OSWorld benchmarks at a fraction of the cost of frontier models.
  • →Open weights in multiple quantization formats enable efficient local deployment for enterprise automation workflows.
Holo4: Generalist Agentic Models for GUI and Code
©Hugging Face Blog

H company has launched Holo4, a new series of agentic models available in 27B dense and 35B-A3B Mixture of Experts sizes. These models are trained to interact with software through multiple interfaces including GUIs, code execution, MCP, and APIs, aiming for generalist capability across diverse environments. Benchmarks show Holo4-27B scoring 61.7% on OSWorld 2.0, trailing only Opus 5.5 (81.8%) but using significantly fewer parameters. Weights are open-sourced in BF16, FP8, NVFP4, and GGUF formats, with API access available via H Models.

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