If a team of human engineers built a web browser that only half-worked, it wouldn’t get people talking. But when Michael Truell, CEO of coding startup Cursor, posted on X last week that a swarm of AI agents had built a browser that, he wrote, “kind of works”—while running uninterrupted for a week without any human intervention—it went viral across the tech world, with over 6 million views.
Why the buzz? Two big reasons: For one thing, AI’s attention span has historically been short. In the early days of ChatGPT, models could stay on task for only a few seconds. That horizon stretched to minutes for better models, then to hours. The Cursor project claims to be one of the first times an AI system has sustained a complex, open-ended software project for an entire week without human guidance.
