AI Agents Build a Web Browser in a Week: A Glimpse into the Future of Coding
Published:Jan 18, 2026 15:12
•1 min read
•r/singularity
Analysis
Cursor AI's CEO showcased an incredible feat: GPT 5.2 powered agents building a web browser with over 3 million lines of code in just a week! This experimental project demonstrates the impressive scalability of autonomous coding agents and offers a tantalizing preview of what's possible in software development.
Key Takeaways
- •Autonomous AI agents built a full web browser, including a custom rendering engine and JavaScript VM.
- •The project generated over 3 million lines of code in approximately one week.
- •This is an experimental demonstration of the potential for continuous, autonomous coding.
Reference
“The visualization shows agents coordinating and evolving the codebase in real time.”