Chen has two cats and hopes to own a dog someday. She built the app in about two months in her spare time with no formal engineering training — just pure vibe-coding.

Replit's CEO, Amjad Masad, said anyone can build an app in an afternoon with the right prompt. Vibe coding is fueling a wave of solo entrepreneurs launching apps without engineers, Masad said.

Google is testing a new vibe-coding tool called Opal, available in the U.S. through Google Labs, that lets users quickly spin up web apps with just a few prompts.

But I’m just a guy who likes to tinker, and to build tools that improve my life in small ways. And vibecoding — or actual coding — is one area where A.I. is unmistakably improving.