Anthropic hires OpenAI co-founder Andrej Karpathy to build next-generation Claude AI models by Live mint | May 19, 2026 11:05 pm | Indian Stocks, Market, News Andrej Karpathy, co-founder of OpenAI and former Tesla AI leader, has joined Anthropic. Karpathy made the news public via a post on X where he expressed enthusiasm for returning to R&D and plans to continue his work in education