OS-ATLAS: Foundation Action Model for Generalist GUI Agents
Keywords: GUI agent, language agent, GUI grounding, executable language grounding
TL;DR: Through innovations in both data and modeling, we are releasing the first foundational action model specifically designed for GUI agents.
Abstract: Existing efforts in building GUI agents heavily rely on the availability of robust commercial Vision-Language Models (VLMs) such as GPT-4o and GeminiProVision. Practitioners are often reluctant to use open-source VLMs due to their significant performance lag compared to their closed-source counterparts, particularly in GUI grounding and Out-Of-Distribution (OOD) scenarios. To facilitate future research in this area, we developed OS-Atlas —a foundational GUI action model that excels at GUI grounding and OOD agentic tasks through innovations in both data and modeling. We have invested substantial engineering effort into developing a toolkit for synthesizing multi-platform GUI grounding data. Leveraging this toolkit, we are releasing the largest open-source cross-platform GUI grounding corpus to date, which contains over 13 million GUI elements. This dataset, combined with innovations in model training, provides a solid foundation for OS-Atlas to understand GUI screenshots and generalize to unseen interfaces. Through extensive evaluation across six benchmarks spanning three different platforms (mobile, desktop, and web), OS-Atlas demonstrates significant performance improvements over previous state-of-the-art models. Our evaluation also uncovers valuable insights into continuously improving and scaling the agentic capabilities of open-source VLMs. All our data, code, and models will be made publicly available.
Primary Area: foundation or frontier models, including LLMs
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Submission Number: 4239
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