Anthropic Engineer Andrej Karpathy:"The biggest mistake in AI right now - people are forcing agents to work instead of mastering the model firstWe made that mistake in 2016 at OpenAI - It cost us 5 years "what Karpathy actually means:step 1 → stop forcing your agent to do everything, understand the model underneath firststep 2 → demos are easy - products take a decade. self-driving proved it - if you skip the foundation, everything breaksstep 3 → the agent is not the product. the foundation is.