ChatGPT has a problem no one wants to talk about

That sort of computational power requires GPUs, or graphics processing units, that were first made for video games but were found to be the only chips that could handle such heavy computer tasks as large language models. Currently, just one company, Nvidia, sells the best of those, for which it charges tens of thousands of dollars. Nvidia's valuation recently rocketed to $1 trillion on the anticipated sales. The Taiwan-based company that manufactures many of those chips, TSMC, has likewise soared in value.