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 …

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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.

GPT‑5 produces higher-quality responses by using your company’s files and connected apps like Google Drive, SharePoint, and more, while respecting existing permissions.

Aug 7, 2025 · GPT‑5 is the new default in ChatGPT, replacing GPT‑4o, OpenAI o3, OpenAI o4-mini, GPT‑4.1, and GPT‑4.5 for signed-in users. Just open ChatGPT and type your question; GPT‑5 …

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 …

Jan 31, 2024 · It's core to our mission to make tools like ChatGPT broadly available so that people can experience the benefits of AI. More than 100 million people across 185 countries use ChatGPT …

Nov 12, 2025 · We heard clearly from users that great AI should not only be smart, but also enjoyable to talk to. GPT‑5.1 improves meaningfully on both intelligence and communication style. We’re also …

Oct 31, 2024 · Now, chat can get you to a better answer: Ask a question in a more natural, conversational way, and ChatGPT can choose to respond with information from the web. Go deeper …

Jan 16, 2026 · ChatGPT Pro is built for AI power users pushing the limits of advanced intelligence. It offers full access to our most powerful model, GPT‑5.2 Pro, along with maximum memory and …