Four cutting-edge tools for spec-driven development (opens in new tab)

In February 2025, AI developer Andrej Karpathy posted a tweet (or whatever they call them now on the site formerly known as Twitter) about what he called “vibe coding”: There’s a new kind of coding I call “vibe coding”, where you fully give in to the vibes, embrace exponentials, and forget that the code even exists. It’s possible because the LLMs (e.g. Cursor Composer w Sonnet) are getting too good. Also I just talk to Composer with SuperWhisper so I barely even touch the keyboard. I ask for ...