
Rotunda and the Agent-Native Browser: Browsers Built for AI Agents
A Firefox fork called Rotunda introduces a new paradigm: browsers built for agents, not humans, and the economics are impossible to ignore.

A Firefox fork called Rotunda introduces a new paradigm: browsers built for agents, not humans, and the economics are impossible to ignore.

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.