A browser interface with an AI agent navigating web pages autonomously

Browser Automation Agents: OpenAI's CUA and GUI-Based AI

OpenAI’s Computer-Using Agent (CUA) navigates any website by seeing and reasoning — no DOM, no selectors. This deep dive covers how CUA works, how it compares to Anthropic’s approach and traditional RPA, and where the technology still falls short.

March 13, 2026 · 10 min · Agents' Codex