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ChatGPT

Features

35 ChatGPT pages in Features.

Account SecuritySecure a ChatGPT account in Settings > Security: turn on multi-factor authentication or passkeys, review active sessions and security history, and for the strongest protection enroll in Advanced Account Security, which requires passkeys or security keys plus recovery keys.
Agent ModeAgent mode (ChatGPT agent) lets ChatGPT do tasks on the web in its own virtual browser, such as filling forms or booking, asking before important steps. It launched on Jul 17, 2025, replacing Operator; it is for paid plans, with 40 tasks a month on Plus and 400 on Pro, and longer agentic work now also runs in ChatGPT Work.
Chat History and SearchChatGPT keeps every saved chat in the sidebar until you delete it; Search (Ctrl+K or Cmd+K on the web) finds chats, projects, images and documents, archived chats stay searchable, and deleted chats are erased within 30 days.
ChatGPT Browser ExtensionThe ChatGPT browser extension for Chrome, Edge, Brave, Opera and Vivaldi lets the ChatGPT desktop app read and act in your own browser, mention open tabs in a chat, and, in every browser but Opera, open a side chat next to a page; it needs the desktop app and replaced the retired Atlas browser.
ChatGPT Desktop AppThe ChatGPT desktop app for macOS and Windows, with Linux in public preview, holds Chat, Work and Codex in one window. It is a free download from chatgpt.com/download for every plan, Free included.
ChatGPT in OfficeChatGPT works inside Excel, Google Sheets, PowerPoint and Word as a sidebar add-in that builds and edits files in place; it is on every plan including Free, with limited use on Free and Go, while Plus and Pro draw on the same agentic allowance as Codex.
ChatGPT in Other AppsChatGPT also answers outside its own app: on WhatsApp and by phone at 1-800-CHATGPT (+1-800-242-8478), on Kakao in South Korea and Viber, in Apple CarPlay, Slack, Apple Messages on the Mac and the Office add-ins.
ChatGPT Mobile AppThe ChatGPT app is free on the App Store for iPhone (iOS 18.0 or later) and on Google Play for Android, made by OpenAI. It adds voice, the camera, document scanning, Lock Screen voice and Codex Remote to what ChatGPT does on the web.
ChatGPT SearchChatGPT search looks up the web and answers with linked sources, on every plan and even without signing in. It launched on Oct 31, 2024 after the SearchGPT prototype; ChatGPT searches on its own when a question needs it, or you choose Search from the tools menu.
ChatGPT SitesChatGPT Sites builds and hosts a working website from a chat in ChatGPT Work or Codex, with its own address, a database of up to 10 GB and custom domains; it is on Plus, Pro, Business and Enterprise but not Free or Go, and building counts toward Codex usage.
ChatGPT SpaceChatGPT Space, launched Sep 29, 2026, holds Pages (shared documents ChatGPT writes and edits with you), Slides (presentations, since Oct 16, 2026) and your files, replacing Library for the Pro, Business and Enterprise accounts that have it.
ChatGPT WorkChatGPT Work is the agent mode of ChatGPT for longer tasks: it researches, works across connected apps and files, and delivers finished documents, spreadsheets, presentations, reports and Sites. It launched on Jul 9, 2026 and shares its usage allowance with Codex.
Custom GPTsCustom GPTs, launched Nov 6, 2023 with the GPT Store following on Jan 10, 2024, retire across ChatGPT on Dec 11, 2026 (Feb 11, 2027 for FedRAMP and approved Enterprise deferrals). Owners can move each GPT into a plugin with Migrate to plugin; old conversations stay readable.
Custom Instructions and PersonalityCustom instructions tell ChatGPT about you and how to answer, up to 1,500 characters on Free and Go and 5,000 on paid plans since Jul 15, 2026. Personality presets such as Friendly, Efficient and Candid set ChatGPT's tone; both live in Settings > Personalization.
Data AnalysisChatGPT analyzes uploaded spreadsheets, CSV files and PDFs by writing and running Python, then answers with tables and charts; it began as Code Interpreter in July 2023, is limited on Free and fuller on paid plans, and draws interactive bar, line, pie and scatter charts.
Deep ResearchDeep research is ChatGPT's tool for long, multi-step research: it proposes an editable plan, searches the web and your connected apps, and returns a cited report you can download as Markdown, Word or PDF. Every plan has it, with Free and Go limited; type /Deepresearch or pick it from the + menu.
DotsA dot is ChatGPT's always-on agent, launched Sep 29, 2026 on GPT-6 Astra, with its own cloud computer that keeps working between chats; it is for Pro users 18 and over outside the EEA, Switzerland and the UK, Business Premium, and Enterprise, Edu and Healthcare workspaces, and US Pro users can text it.
File Uploads and LibraryChatGPT accepts up to 20 files per message on the web, documents up to 512 MB each, and up to 80 files every 3 hours, while Free accounts get 3 uploads a day; everything uploaded is kept in Library, which holds 500 MB on Free up to 100 GB on Pro.
Finances in ChatGPTFinances in ChatGPT links US bank and investment accounts through Plaid, and a credit report through Experian, so ChatGPT can explain spending, bills, net worth and your credit score; it is on every personal plan in the US since Oct 2, 2026, and it cannot move money, pay bills or trade.
Health in ChatGPTHealth in ChatGPT connects your medical records, Apple Health and apps such as One Medical and Function Health so ChatGPT can explain results and track changes; it is free for logged-in adults in the US on the Free, Go, Plus and Pro plans, on the web and iOS, and its health data is never used to train models or target ads.
Intelligent UIIntelligent UI, launched with GPT-6 in ChatGPT on Oct 7, 2026, lets answers in the Chat tab include charts, maps, forms, buttons, calculators and small games you can use in place; it is on every plan, from Instant to Extra High reasoning, but not in the Pro reasoning option.
Locked ChatsLocked chats, new in ChatGPT on Oct 20, 2026, hide chosen conversations from your history and search behind a 4-digit account PIN or Face ID, on every plan from Free to Enterprise; resetting the PIN deletes them.
MemoryChatGPT memory lets ChatGPT remember your preferences and details from past chats, saved memories and other sources. You can view, edit or delete what it remembers, or turn it off, in Settings > Personalization > Memory.
Parental ControlsChatGPT is for ages 13 and up, with a parent's permission under 18; parents link a teen's account in Settings > Parental controls to set quiet hours, turn off voice, images or memory, and get safety alerts, without seeing the teen's chats.
PluginsPlugins are ChatGPT's 2026 name for apps and connectors: packages that connect ChatGPT to services such as Gmail, Google Drive, Slack or iCloud and bundle skills for a task. You find them under Plugins in the sidebar or at chatgpt.com/plugins, on every plan.
Privacy and Data ControlsChatGPT trains on Free, Go, Plus and Pro chats by default unless you turn off Improve the model for everyone in Settings > Data controls; Business, Enterprise and Edu content is not used for training by default, and you can export or delete your data.
ProjectsProjects in ChatGPT keep related chats, files and instructions together in one folder-like workspace. Every plan, including Free, can create unlimited projects; files per project range from 5 on Free to 40 on Pro, Business, Enterprise and Edu.
Record ModeRecord mode turns meetings, lectures and voice notes into a transcript and summary in the ChatGPT macOS app, for Plus, Pro, Business, Enterprise and Edu, up to 4 hours a session; since Sep 29, 2026 OpenAI points users to the newer Meetings plugin, a Mac beta for Pro and Business.
Scheduled TasksScheduled tasks make ChatGPT run a prompt later, on a repeating schedule, while watching for a change, or when a Gmail, Slack or GitHub event happens; Free and Go can keep 3 active tasks, Plus 5, Business and Edu 10, and Pro and Enterprise 15.
Sharing ChatsTo share a ChatGPT conversation, open it, select Share and copy the link; anyone with a personal-account link can read it, links never expire, and you delete them in Settings > Data controls > Shared links.
Shopping in ChatGPTAsk ChatGPT what to buy and it shows product results with prices and links, which OpenAI says are chosen independently and are not ads; it also offers shopping research buyer's guides, virtual try-on, Favorites and restaurant bookings, while Instant Checkout, launched in 2025, is no longer described on OpenAI's help pages.
SkillsSkills in ChatGPT are reusable, shareable workflows (instructions, examples, files and code) that ChatGPT uses automatically when they help. They became generally available on Jul 9, 2026; you make one under Plugins > Skills > Create, with chat or with the editor.
Study ModeStudy mode makes ChatGPT teach instead of just answering, with questions, step-by-step hints, quizzes and flashcards; it is free on every ChatGPT plan on the web, iOS and Android, and is turned on by typing @study or choosing Study from the + menu.
Temporary ChatTemporary Chat is ChatGPT's incognito mode: the chat stays out of your history, does not create memories and is not used to train OpenAI's models, though OpenAI may keep a copy for up to 30 days for safety.
Voice ModeChatGPT Voice lets you talk with ChatGPT out loud. Live, powered by GPT-Live-1.1 since Oct 15, 2026, is the newest; Advanced keeps video and screen sharing on mobile; Standard is turn by turn. Plus gets 3 hours a day, Pro $100 15 hours and Pro $200 unlimited, as of Nov 6, 2026.