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Access to GPT‑4.1 mini. Real-time data from the web with search. Limited access to GPT‑4o, OpenAI o4-mini, and deep research. Limited access to file uploads, data analysis, image generation, and voice mode. Code edits with the ChatGPT desktop app for macOS. Use custom GPTs. Have an existing plan? See billing help (opens in a new window)
Visit chatgpt.com/auth/login and try logging in using your signup method. Completing the login process there should prompt account activation if needed. Error: "We have detected suspicious login behavior"
There are many benefits to creating an account including the ability to save and review your chat history, share chats, and unlock additional features like voice conversations and custom instructions.
ChatGPT is fine-tuned from a model in the GPT‑3.5 series, which finished training in early 2022. You can learn more about the 3.5 series here (opens in a new window). ChatGPT and GPT‑3.5 were trained on an Azure AI supercomputing infrastructure.
Chat on the go, have voice conversations, and ask about photos. Download for iOS (opens in a new window) Download for Android (opens in a new window) For Desktop
Learn how chats, files, and custom GPT data are stored and deleted in the ChatGPT macOS app.
Chat with your computer in real-time and get hands-free advice and answers while you work.
If you have an existing account at labs.openai.com or platform.openai.com, then you can login directly at chatgpt.com using the same login information. If you don't have an account, you'll need to sign-up for a new account at chatgpt.com.
GPT‑4-assisted safety research GPT‑4’s advanced reasoning and instruction-following capabilities expedited our safety work. We used GPT‑4 to help create training data for model fine-tuning and iterate on classifiers across training, evaluations, and monitoring.
Explore resources, tutorials, API docs, and dynamic examples to get the most out of OpenAI's developer platform.