SAN FRANCISCO :The contest in Silicon Valley to dominate artificial intelligence is playing out on a new court: superstar researchers. While the scramble to attract top talent and keep them happy has always been a hallmark of the tech industry, since ChatGPT launched in late 2022, recruiting has escalated to professional athlete levels, a dozen people who have been involved in recruiting AI researchers told Reuters. “The AI labs approach hiring like a game of chess,” said Ariel Herbert-Voss,