OpenAI’s power struggle has just ended, and a key deal has quietly surfaced. According to foreign media “Wired”, when Sam Altman was the CEO of OpenAI, OpenAI signed a letter of intent worth US$51 million with Rain AI, promising to purchase Rain AI’s chips after they were launched. Rain AI is an AI chip startup that aims to significantly reduce the cost of AI computing power. By developing an AI chip that mimics the way the human brain works, NPU, it provides “low-cost, energy-efficient hardware” for AI companies such as OpenAI and Anthropic. The company said, “Compared to traditional GPUs, NPU will provide AI developers (such as OpenAI) with potentially…