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  1. OpenAI

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  2. Introducing ChatGPT - OpenAI

    Nov 30, 2022 · We performed several iterations of this process. 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 …

  3. OpenAI

    Our Research Research Index Research Overview Research Residency OpenAI for Science Latest Advancements GPT-5 OpenAI o3 OpenAI o4-mini GPT-4o GPT-4o mini Sora Safety Safety Approach …

  4. Start using ChatGPT instantly | OpenAI

    Jan 31, 2024 · 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 …

  5. Welcome back - OpenAI

    Explore developer resources, tutorials, API docs, and dynamic examples to get the most out of OpenAI's platform.

  6. GPT-4 | OpenAI

    Mar 14, 2023 · GPT-4 is more creative and collaborative than ever before. It can generate, edit, and iterate with users on creative and technical writing tasks, such as composing songs, writing …

  7. Why can't I log in to ChatGPT? - OpenAI Help Center

    Use an incognito window. Sometimes browser extensions or cached data can cause issues; an incognito window helps rule this out. Try a different device or browser. Some extensions, outdated …

  8. Introducing GPT-4o and more tools to ChatGPT free users

    May 13, 2024 · ChatGPT also now supports more than 50 languages ⁠ across sign-up and login, user settings, and more. We are beginning to roll out GPT‑4o to ChatGPT Plus and Team users, with …

  9. What is ChatGPT? - OpenAI Help Center

    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 …

  10. Account, login and billing - OpenAI Help Center

    Account, login and billing Refund requests, billing and login issues "Oops! You do not have an account because it has been deleted or deactivated." Help for deletion and deactivation error messages on …