ChatGPT helps you get answers, find inspiration and be more productive. It is free to use and easy to try. Just ask and ChatGPT can help with writing, learning, brainstorming and more.

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, challenge incorrect premises, and reject inappropriate requests.

Apr 1, 2024 · More than 100 million people across 185 countries use ChatGPT weekly to learn something new, find creative inspiration, and get answers to their questions. Starting today, you can use ChatGPT instantly, without needing to sign-up.

Use ChatGPT your way. Talk to type or have a conversation. Take pictures and ask about them.

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 that uses human demonstrations and preference comparisons to guide the model toward desired behavior.

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 audio and video capabilities coming in the future.

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 information in a new way, while content owners gain new opportunities to reach a broader audience.

Like ChatGPT, we’ll be updating and improving GPT-4 at a regular cadence as more people use it. GPT-4-assisted safety research GPT-4’s advanced reasoning and instruction-following capabilities expedited our safety work.

When you start a conversation with ChatGPT, you’re interacting with a powerful generative AI model provided by OpenAI. Customers on a paid plan can choose between several foundational models. Learn more about foundational models.

Jan 28, 2025 · Today we’re announcing ChatGPT Gov, a new tailored version of ChatGPT designed to provide U.S. government agencies with an additional way to access OpenAI’s frontier models.