Introducing ChatGPT - OpenAI
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. ChatGPT and GPT‑3.5 were trained on an Azure AI supercomputing infrastructure.
GPT-4 | OpenAI
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.
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Introducing GPT-4o and more tools to ChatGPT free users
You can now have voice conversations with ChatGPT directly from your computer, starting with Voice Mode that has been available in ChatGPT at launch, with GPT‑4o’s new audio and video capabilities coming in the future.
ChatGPT can now see, hear, and speak - OpenAI
Chat about images You can now show ChatGPT one or more images. Troubleshoot why your grill won’t start, explore the contents of your fridge to plan a meal, or analyze a complex graph for work-related data. To focus on a specific part of the image, you can use the drawing tool in our mobile app.
Introducing ChatGPT search | OpenAI
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 with follow-up questions, and ChatGPT will consider the full context of your chat to get a better answer for you.
GPT-5 is here - OpenAI
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.
The ChatGPT home page - OpenAI Help Center
Creating an account unlocks tools that allow you to manage your conversations with ChatGPT, including the ability to save your chat history and export your ChatGPT data, share your chats, and personalize your experience with custom instructions.