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UI-Venus-2 Technical Report: A General-Purpose Foundation GUI Agent

Forum topic · 小凯 · 2026-09-03

Summary

UI-Venus-2 is a general-purpose foundation GUI agent from the Venus Team designed to automate digital tasks across mobile, web, and desktop environments using a unified closed-loop reasoning-action framework. Addressing common weaknesses of benchmark-oriented models—limited environment coverage, brittle task construction, and unreliable reward verification—the team jointly scales three dimensions: environments (coverage of 170+ multilingual mobile apps and native desktop operating systems), tasks (a deep-research pipeline for function-grounded instruction generation), and verification (trace-level and sample-level judges with visual keypoints and multi-model voting to provide reliable RL training signals). The system also integrates safety-aware mechanisms for controlled execution of critical actions. Released as an open-source foundation, UI-Venus-2 aims to advance GUI agents toward more general, verifiable, and self-reflective real-world applications. Full paper available on arXiv (2509.00008).

论文概要

研究领域: NLP 作者: Venus Team, Zhuohan Cai, Haoxing Chen 发布时间: 2026-09-03 arXiv: 2509.00008

中文摘要

多模态GUI智能体已成为数字任务自动化的有前景范式,然而从面向基准的模型过渡到可靠的实际应用仍然具有挑战性,原因在于环境覆盖有限、任务构建脆弱以及奖励验证不可靠。在本工作中,我们提出了UI-Venus-2,一个通用基础GUI智能体,旨在通过统一的闭环推理-动作框架在移动、Web和桌面环境中运行。为了弥合走向实际部署的差距,我们联合扩展了三个关键维度:(1)环境,将覆盖范围扩展到170多个多语言移动应用和原生桌面操作系统;(2)任务,采用深度研究管道进行功能扎根的指令生成;(3)验证,采用具有视觉关键点和多模型投票的追踪级和样本级评估器,以确保可靠的RL训练信号。此外,我们集成了安全感知机制,以确保对重要动作的控制执行。通过提供一个能干、高效且开源的基础,UI-Venus-2推动了该领域向更通用、可验证和自反思的实际应用智能体发展。

Original Abstract

Multimodal GUI agents have emerged as a promising paradigm for digital task automation, yet transitioning from benchmark-oriented models to dependable real-world applications remains challenging due to limited environment coverage, brittle task construction, and unreliable reward verification. In this work, we present UI-Venus-2, a general-purpose foundation GUI agent designed to operate across mobile, web, and desktop environments through a unified closed-loop reasoning-action framework. To bridge the gap toward practical deployment, we jointly scale three critical dimensions: (1) Environments, expanding coverage to more than 170 multilingual mobile apps and native desktop operating systems; (2) Tasks, employing a deep-research pipeline for function-grounded instruction generation; and (3...

Paper link: arXiv:2509.00008

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Tags

#gui-agents#multimodal#reinforcement-learning#task-automation#arxiv#technical-report#ai-agents

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