Write and improve text
Questions, explanations, drafting, rewriting, and summaries are documented.
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ChatGPT
ChatGPT is OpenAI’s conversational assistant for asking questions, explaining, drafting, rewriting, summarising, translating, and exploring ideas. Depending on the plan and applicable limits, it can also search the web, work with files and data, and create or edit images.
AvailableOpenAIÉtats-Unis
In a few words
ChatGPT is OpenAI’s conversational assistant for asking questions, explaining, drafting, rewriting, summarising, translating, and exploring ideas. Depending on the plan and applicable limits, it can also search the web, work with files and data, and create or edit images.
For people who want to learn, write, analyse, or move work forward in an AI-assisted conversation; organisations can use managed workspaces subject to their settings.
What you can do with it
Research the web
Web search and deep research depend on the plan and settings.
With a specific offerAnalyse documents
Files and data analysis are subject to separate limits.
With a specific offerCreate or edit images
Image creation and editing are documented, with plan limits.
With a specific offerCreate a custom assistant
A configurable GPT is documented only in certain managed workspaces, not for personal accounts.
With a specific offerConcrete examples
Explain a concept
Explain the principle of inflation simply, with an example.
ChatGPT is documented to answer questions and explain concepts; check the result before making a decision.
Example based on a documented featureSummarise a file
Summarise this uploaded document and list its three main ideas.
Summarising and answering questions about supported uploaded files is documented, with plan limits.
Example based on a documented featureAccess and terms
FR — Une offre Free est annoncée pour tous; les offres payantes élargissent l’accès mais restent limitées selon l’offre, les réglages et parfois la région. L’abonnement ChatGPT ne comprend pas l’API. EN — A Free tier is stated to be available to everyone; paid plans expand access but remain limited by plan, settings and sometimes region. A ChatGPT subscription does not include API use.
Free plans, trials and paid APIs are separate. Always check the exact offer.
What you can send and get
You can converse and, depending on the plan, upload supported files or images. OpenAI’s listed upload formats are not a promise of a generic output format.
Agents and automation
Personal accounts cannot create or publish new GPTs. Permitted managed workspaces can configure a no-code GPT; embedding an assistant in your product requires the separately billed API.
Go deeper
FR — Les formats d’import explicitement documentés comprennent XLSX, XLS, CSV, TSV, DOCX, PPTX, PDF et TXT; .gdoc n’est pas pris en charge. La création ou publication de nouveaux GPTs n’est pas disponible pour les comptes personnels Free, Go, Plus ou Pro; elle est conditionnelle dans les espaces Business, Enterprise ou Edu. La documentation ChatGPT Agent est transitionnelle et contradictoire: ne pas la présenter comme une offre d’agent stable et générale. EN — Documented upload formats include XLSX, XLS, CSV, TSV, DOCX, PPTX, PDF and TXT; .gdoc is unsupported. New GPT creation/publishing is unavailable to personal Free, Go, Plus, and Pro accounts and conditional in Business, Enterprise, or Edu workspaces. ChatGPT Agent documentation is transitional and internally inconsistent, so it is not presented as a stable general agent offering.
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Sources and update
Official OpenAI pricing, capability, Free-tier FAQ, and GPT documentation checked on 13 September 2026. Features and limits can change.