Once, the world’s richest men competed over yachts, jets and private islands. Now, the size-measuring contest of choice is clusters. Just 18 months ago, OpenAI trained GPT-4, its then state-of-the-art ...

Elon Musk concurs with other AI experts that there’s little real-world data left to train AI models on. “We’ve now exhausted basically the cumulative sum of human knowledge … in AI training,” Musk ...