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Holo3: Foundational Models for Navigation and Computer Use Agents

Model Description

Holo3 is our latest generation of large-scale Vision-Language Models (VLMs) specifically optimized for GUI Agents. Like its predecessors, it operates across diverse digital environmentsโ€”web, desktop, and mobileโ€”by interpreting visual interfaces, reasoning over complex content, and executing precise actions.

Holo3 achieves state-of-the-art performance on OSWorld-Verified, setting a new benchmark for computer use agents. While it retains the world-class web navigation capabilities of Holo2, the new Holo3-35B-A3B architecture is designed to thrive in realistic business environments.

  • Developed by: H Company
  • Model type: Vision-Language Model for Navigation and Computer Use Agents
  • Architecture: Sparse Mixture-of-Experts (MoE) with 35B total / 3B active parameters
  • Fine-tuned from model: Qwen/Qwen3.5-35B-A3B
  • Blog Post: hcompany.ai/holo3
  • Quickstart: hub.hcompany.ai/quickstart
  • License: Apache 2.0 License


Get Started

Explore our Quickstart guide to learn how to integrate with our inference API.


Training Strategy

Holo3-35B-A3B is based on the Qwen3.5 architecture and has been reinforced to strengthen its core agentic pillars: perception and decision-making. The training pipeline utilizes a carefully curated mix of open-source datasets, large-scale synthetic trajectories, and high-quality human-annotated samples to ensure reliable multi-step reasoning.


Results

State-of-the-Art Navigation (OSWorld-Verified)

To benchmark Holo3 on computer use and web navigation, we utilized the OSWorld and WebArena benchmarks. Holo3-35B-A3B achieves a 77.8% score on OSWorld-Verified. Remarkably, it achieves this with only 3B active parameters, providing SOTA performance at a fraction of the inference cost of leading proprietary models.

Enterprise Readiness (H Corporate Benchmark)

To measure real-world utility, we developed the H Corporate Benchmark: a dedicated evaluation suite of 486 multi-step tasks across four categories: E-commerce, Business Software, Collaboration, and Multi-App workflows. Holo3 consistently outperforms significantly larger competitors in these dense, business-logic environments.

UI Localization & Grounding

A world-class agent must see before it can act. Holo3 excels at localizing interaction elements and understanding their functions, as evidenced by top-tier performance on ScreenSpot-Pro and OSWorld-G.

Table 1: Evaluation results on computer use and grounding benchmarks.


Citation

@misc{hai2025holo3modelfamily,
      title={Holo3 - Open Foundation Models for Navigation and Computer Use Agents},
      author={H Company},
      year={2026},
      url={https://huggingface.co/Hcompany/Holo3-35B-A3B},
}
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