WhatIsChatGPTDoing…andWhyDoesItWork?Copyright©2023StephenWolfram,LLCWolframMedia,Inc.wolfram-media.comISBN-978-1-57955-081-3(paperback)ISBN-978-1-57955-082-0(ebook)Technology/ComputersCataloging-in-publicationdataavailableatwolfr.am/ChatGPT-cipForpermissiontoreproduceimages,contactpermissions@wolfram.com.Visittheonlineversionofthistextatwolfr.am/SW-ChatGPTandwolfr.am/ChatGPT-WA.Clickanypicturetocopythecodebehindit.ChatGPTscreenshotsweregeneratedwithGPT-3,OpenAI’sAIsystemthatproducesnaturallanguage.Firstedition.ContentsPrefaceWhatIsChatGPTDoing…andWhyDoesItWork?It’sJustAddingOneWordataTime·WhereDotheProbabilitiesComeFrom?·WhatIsaModel?·ModelsforHum...