1. Who is Karpathy (and why it matters)
Hard to find more credibility on the subject. Karpathy co-founded OpenAI, led AI at Tesla, and is above all one of the best educators in AI (his courses and videos have trained a generation). He also popularized the term "vibe coding." In May 2026, he joined Anthropic — when someone of that caliber chooses a house, you pay attention.
- OpenAIco-founder
- Teslahead of AI
- OpenAIreturn
- Eureka LabsAI education
- AnthropicMay 2026
2. The 4 principles (my synthesis, in his spirit)
Honesty first: these are not "Karpathy's official 4 rules." This is my synthesis, inspired by his way of teaching work with agents. The idea matters more than the label:
3. Why it changes everything
In practice, these principles save you tokens, time, and quality: responses that fit instead of wordy walls, projects that don't go off the rails. My principle #3 ("surgical") isn't theoretical: it was born from a deployment that broke everything because too many things were pushed at once. Since then, every change traces back to one specific request. One mistake, one rule.