UI-TARS is a sophisticated vision-language model that enables fluid interactions with graphical user interfaces (GUIs) by merging perception, reasoning, grounding, and memory into a cohesive framework. This model adeptly handles multimodal inputs like text and images, allowing it to comprehend interfaces and perform tasks instantly without relying on preset workflows. It is compatible with desktop, mobile, and web platforms, streamlining intricate, multi-step processes through its advanced reasoning and planning capabilities. By leveraging extensive datasets, UI-TARS significantly improves its generalization and robustness, establishing itself as a state-of-the-art tool for automating GUI tasks. Moreover, its ability to adapt to various user needs and contexts makes it an invaluable asset in enhancing user experience across different applications.