AI is writing almost all startup code. That's creating a new problem.

Branding at the entrance to Anthropic PBC's Code with Claude developer conference in London, UK, on Tuesday, May 19, 2026. Bloomberg/Getty Images Business Insider surveyed dozens of startup founders to understand how coding has changed with AI. We found that AI has very quickly become the primary author of startup code. That speed is a double-edged sword because there is so much slop. At Alma, a Menlo Ventures-backed AI nutrition coaching app, nearly every line of code is now written by AI....