Nov 30, 2022 · We’ve trained a model called ChatGPT which interacts in a conversational way. The dialogue format makes it possible for ChatGPT to answer followup questions, admit its mistakes, …

GPT-5 OpenAI o3 OpenAI o4-mini GPT-4o GPT-4o mini Sora Safety Safety Approach Security & Privacy Trust & Transparency ChatGPT Explore ChatGPT Business Enterprise Education Pricing …

Jan 31, 2024 · Starting today, you can use ChatGPT instantly, without needing to sign-up. We're rolling this out gradually, with the aim to make AI accessible to anyone curious about its capabilities.

Mar 14, 2023 · Training with human feedback We incorporated more human feedback, including feedback submitted by ChatGPT users, to improve GPT‑4’s behavior. We also worked with over 50 …

You can build your own AI assistant with tailored instructions, uploaded files, and access to selected tools. These assistants behave like specialized versions of ChatGPT and can be shared or published …

Jul 17, 2025 · ChatGPT will intelligently navigate websites, filter results, prompt you to log in securely when needed, run code, conduct analysis, and even deliver editable slideshows and spreadsheets …

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 …

Oct 31, 2024 · ChatGPT search connects people with original, high-quality content from the web and makes it part of their conversation. By integrating search with a chat interface, users can engage with …

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 …

Feb 1, 2023 · We’re launching a pilot subscription plan for ChatGPT, a conversational AI that can chat with you, answer follow-up questions, and challenge incorrect assumptions.