Cursor Launches AI Agents That Code Autonomously for 52 Hours, Completing Quarter-Long Projects in Days

Cursor releases revolutionary AI agents that autonomously code for up to 52 hours straight, completing complex software projects like chat platforms and mobile apps in mere days instead of months, with early users reporting high-quality, production-ready code that dramatically accelerates development timelines.

• Cursor launches long-running agents research preview for Ultra, Teams, and Enterprise users that can autonomously work on ambitious coding projects for 25-52 hours with minimal human intervention
• The agents successfully complete complex tasks like building chat platforms, implementing mobile apps, and refactoring authentication systems by using upfront planning and multiple agent verification systems
• Early users report the agents produce large production-ready PRs with high merge rates, compressing quarter-long projects into days while allowing developers to work on multiple parallel tasks