LOOK AROUND the world of artificial intelligence and OpenAI is everywhere. In early September ChatGPT’s creator reportedly struck a deal to buy perhaps $10bn-worth of custom AI chips from Broadcom. A fortnight later the startup revealed that Nvidia, Broadcom’s larger rival, would invest up to $100bn in it over several years while selling it graphics-processing units (GPUs) worth that amount. On October 6th OpenAI announced a deal with AMD, a third chipmaker, of similar size and circularity. This time it is OpenAI that may take a stake in AMD, which would sell it silicon worth an estimated $90bn or so between 2026 and 2030.
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