ChatGPT in the browser or via API?
Open ChatGPT in your browser to ask questions, revise a draft, or continue a conversation.
Open the web app · chatgpt.comUse the OpenAI API platform to call models from your own app. ChatGPT subscriptions and API usage are billed separately.
See the developer entry · platform.openai.comCheck that the browser address bar shows chatgpt.com. If the page fails to open or redirects to an unfamiliar domain, consult the official guidance before entering your credentials.
Read official guidance
Official page reference

For visual reference, not brand certification. Pages may change; check the actual domain when visiting.

For visual reference, not brand certification. Pages may change; check the actual domain when visiting.
Uses & category
AI chat & assistantsQuestions, writing and everyday ideas
Company / organization & related entries
OpenAI · Product / service
OpenAI’s company website and product entry points. ChatGPT and the API platform serve different uses.
Visit company / organization websiteopenai.com
Other listed entries from this company / organization
Relationship checked: 2026-11-09 · Official relationship source