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  1. 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 …

  2. 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 …

  3. GPT-4 | OpenAI

    Mar 14, 2023 · GPT-4 is capable of handling over 25,000 words of text, allowing for use cases like long form content creation, extended conversations, and document search and analysis.

  4. ChatGPT | OpenAI Help Center

    Chat and File Retention Policies in ChatGPT Understand how your chats and files are stored, how long they are retained, and how you can manage or delete them when needed.

  5. What is ChatGPT? - OpenAI Help Center

    ChatGPT is fine-tuned from GPT-3.5, a language model trained to produce text. ChatGPT was optimized for dialogue by using Reinforcement Learning with Human Feedback (RLHF) – a method …

  6. ChatGPT search - OpenAI Help Center

    During a voice chat, you can ask ChatGPT to search for something and ChatGPT will provide you fast, timely answers by searching the web. Please note that your searching with Voice is also subject to …

  7. 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 …

  8. What is ChatGPT Go? - OpenAI Help Center

    ChatGPT Go gives you more access to our most popular features: more GPT-5.2 messages, multimodal tools like image generation and file uploads, and longer memory at an affordable price point.

  9. ChatGPT Capabilities Overview - OpenAI Help Center

    Projects let you organize chats, files, and context under a shared objective. This is ideal for multi-session workflows, collaborative efforts, or long-running research topics.

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

    May 13, 2024 · In line with our mission, we are focused on advancing AI technology and ensuring it is accessible and beneficial to everyone. Today we are introducing our newest model, GPT‑4o, and will …