OpenAI Cofounder Builds New Open Source LLM ‘Nanochat’ – and Doesn’t Use Vibe Coding

An anonymous reader shared this report from Gizmodo:

It’s been over a year since OpenAI cofounder Andrej Karpathy exited the company. In the time since he’s been gone, he coined and popularized the term “vibe coding” to describe the practice of farming out coding projects to AI tools. But earlier this week, when he released his own open source model called nanochat, he admitted that he wrote the whole thing by hand, vibes be damned.

Nanochat, according to Karpathy, is a…