UI-TARS

Open-source multimodal computer-use agent

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ByteDance's UI-TARS is an open-source multimodal computer-use agent product for GUI interaction and task automation.

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workflowPRIMARY2026-05-10

UI-TARS opens desktop control with accessibility API workflows

UI-TARS resurfaced as an open-source desktop-control stack while Opendesk described using accessibility APIs and marked elements instead of raw pixel guesses. The approach makes computer-use workflows more repeatable, but it still depends on human-oriented interfaces.