
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 …
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.
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Introducing GPT-4o and more tools to ChatGPT free users
May 13, 2024 · 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 …
Introducing GPT-4.5 - OpenAI
Feb 27, 2025 · We’re releasing a research preview of GPT‑4.5—our largest and best model for chat yet. GPT‑4.5 is a step forward in scaling up pre-training and post-training.
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 …
ChatGPT can now see, hear, and speak - OpenAI
Sep 25, 2023 · 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 …
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.
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 …
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.