New York CNN — Silicon Valley is coming to grips this week with the realization that creating an advanced artificial intelligence model may no longer be as specialized a task as was once believed. The wakeup call came in the form of DeepSeek, a year-old Chinese start-up whose free, open-source AI model, R1, is more or less on par with advanced models from American tech giants — and it was built for a fraction of the cost, apparently with less advanced chips and it demands far less data center power to run. Until now, the widely accepted wisdom in the…