Andrej Karpathy came up with the term "vibe-coding" in February last year. Michael Macor/The San Francisco Chronicle via Getty Images Andrej Karpathy said AI-written code is "bloaty" and "brittle." Karpathy coined the term vibe coding in February 2025. Security flaws have raised concerns about AI-generated code despite its popularity. He coined the term "vibe coding ," but he's not blown away by it. At a talk at Sequoia Capital released on Wednesday, former Tesla AI head and OpenAI founding member Andrej Karpathy said that code written by AI can still be messy and needs human supervision. "Right now, the answer is that the agents are like these intern entities," he said. "You basically still have to be in charge of the aesthetics, the judgment, the taste, and a little bit of oversight." That's because the AI-constructed code is far from perfect, he said. "Sometimes I get a little bit of a heart attack because it's not like super amazing code necessarily all the time," he said.…