“A functional web browser in 20,000 lines of Rust, built in three days with a single Codex CLI agent.”
Someone built a working browser with AI assistance in three days. No external dependencies. 1MB binary. Renders HTML, CSS, SVG gradients. Simon Willison thought this would require massive teams and millions of lines of code. He’s now predicting production-grade AI-assisted browsers within three years. The goalposts keep moving.