如何创建ChatGPT应用：开发者指南（2025）

ByAdrienLaurent,CEOatIntuitionLabs•10/1/2025•35minread ExecutiveSummary TheChatGPTecosystemhasrapidlyevolvedfromasimpleAIconversationalinterfaceintoasophisticatedplatformsupportingintegratedapplications.Initiallylaunchedinlate2022,ChatGPThasprogressivelyexpandeditscapabilities–firstbyaddingwebaccessandcomputationalpluginsinearly2023,thenbyintroducinguser-created“customGPTs”(akintosmartphoneapps)andaGPTStorefordistributingspecializedchatbots([1]www.axios.com)([2]www.axios.com).By2025,OpenAIrolledoutanAppsSDKandin-chat“apps”thatallowthird-partyservices(e.g.Spotify,Booking.com,Zillow)tobeinvokeddirectlywithinaconversation([3]www.techradar.com)([4]www.techradar.com).ThisreportprovidesacomprehensiveanalysisofhowdevelopersandorganizationscancreatetheseChatGPT-integratedapps.Wereviewthehistoricalcontext(frombasicchatbotstothecurrentplatformmodel),outlinethetechnicalframework(includingtheopenModelContextProtocolusedbytheAppsSDK([5]help.openai.com)),anddetailthestep-by-stepdevelopmentprocess(fromconceptanddesignguidelinestoimplementationandtesting).Wealsoexaminemultipleperspectives–developerworkflows,businessandmarketimplications,userexperiences,andethicalconsiderations(privacy,safety,andtrust).Real-worldexamplesillustratecurrentusecasesandbenefits:forinstance,ausercanaskChatGPTto”makemeanewSpotifyplaylist”or”createaZillowrealestatelisting”,andChatGPTwillseamlesslycallthoseserviceswithoutleavingthechatinterface([4]www.techradar.com).DataandindustryanalysesarecitedtoshowtheexplosiveadoptionofChatGPTtechnologies(e.g.hundredsofmillionsofusers(www.index.dev)([6]masterofcode.com))andtheanalogiestosmartphoneappecosystems([1]www.axios.com)([2]www.axios.com).Weconcludebydiscussingthefuturetrajectory:thecontinuedgrowthofaChatGPT“appstore,”emergingagentcapabilities,andthepotentialforconversationalAItotransformhowsoftwareisbuiltandused. IntroductionandBackground ChatGPT(Chat-basedGenerativePre-trainedTransformer)wasintroducedbyOpenAIinNovember2022asalarge-language-model-poweredchatbot.Itsabilitytogeneratefluentnaturallanguageanswersspurredrapiduseradoption.Byearly2023,ChatGPTbecametheworldʼsfastest-growingconsumerapplication,reachingover100millionmonthlyactiveusers([2]www.axios.com)([7]masterofcode.com).ResearchersandenterprisesquicklyrecognizedthatconversationalAIcoulddomorethanchat;itcouldassistwithtasksacrossdomains(fromcodingandwritingtoplanningandanalysis).ThisledOpenAItoexpandChatGPTfromastaticconversationalmodelintoaplatformforinteractivetools.InMarch2023,OpenAIreleasedaninitialpluginsystemallowingChatGPTtoaccessupdatedwebinformation,performcomputations,andcallthird-partyservices([8]www.chat-gpt.ai)([9]openai.com).Overthenexttwoyears,OpenAIiterativelybuiltoutthisplatformmodel.Inlate2023,atitsfirstDeveloperDay,OpenAIunveiledcustomizableChatGPT“GPTs”–specializedversionsofChatGPTwithtailoreddataandbehaviors–likeningthemtoAIcounterpartsofsmartphoneapps([1]www.axios.com)([10]time.com).InJanuary2024,OpenAIlaunchedaGPTStore,effectivelyaconversationalappdirectory,wheredevelopershadalreadypublishedmillionsofcustomchatbots(reportedly3millionatlaunch([2]www.axios.com)). Inmid-2025,OpenAIintroducedaformalAppsSDKandin-chatapps:asystemwheredeveloperscanbuildhostedservicesthatrun“inside”ChatGPTconversations([5]help.openai.com)([3]www.techradar.com).Thesein-chatappsallowuserstoperformtasks(likebookingtickets,makingpresentations,queryingcalendars)simplybyaskingChatGPT–thechatbotautomaticallyinvokestheappropriatebackgroundservice.Ineffect,ChatGPTisbecominga“conversationalappstore,”embeddingusefultoolsintoitsinterface([3]www.techradar.com)([1]www.axios.com).ThisreportsystematicallyexploreshowtheseChatGPTappsarecreated:fromplanningand designtodevelopmentanddeployment.Wealsoanalyzemarketdata,usersurveys,andexpertcommentarytounderstandthecurrentstateandfutureimplicationsofthisemergingtechnology. EvolutionofChatGPTintoanAppPlatform ChatGPTʼspathfromastandalonechatbottoafull-fledgedplatformhasunfoldedrapidly.WithinweeksofChatGPTʼs2022launch,usersanddevelopersbeganenvisioningextensionsofitscapabilities.Inearly2023,OpenAIintroducedplugins–smalladd-onsenablingChatGPTtoretrievelivewebdata,performcomputations,orinteractwithexternalAPIs([8]www.chat-gpt.ai)([9]openai.com).Theofficialannouncementcreditedpluginsasa“majormilestone”thatturnedChatGPTintoanecosystemforthird-partyfunctionality([11]www.chat-gpt.ai).Thefirstpartnersincludedtravelandshoppingservices(Expedia,Kayak,Instacart,etc.)andproductivitytools(Slack,WolframAlpha,Zapier)([12]www.chat-gpt.ai)([13]openai.com).OpenAIsimultaneouslyprovideddeveloperdocumentationsootherscouldbuildplugins,graduallyrollingoutaccessthroughawaitlist. Thepluginsystemsetthestage,butOpenAIenvisionedabroaderexpansion.AtDeveloperDay2023,theyannounced“GPTs”–chatbotscustomizedbydevelopersforspecifictasksordomains.AxiosreportedthatOpenAIdescribedGPTsas“theAIcounterparttosmartphoneapps,”promisingamarketplacewhereuserscouldtryorevenbuythesecustomchatbots([1]www.axios.com).Indeed,earlypreviewsshowedhowcompaniescouldcr