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.

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.

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

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.

Update on April 24, 2024: The ChatGPT API name has been discontinued. Mentions of the ChatGPT API in this blog refer to the GPT‑3.5 Turbo API. ChatGPT and Whisper models are now available on our API, giving developers access to cutting-edge language (not just chat!) and speech-to-text capabilities.

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.

Mar 14, 2023 · Availability GPT‑4 is available on ChatGPT Plus and as an API for developers to build applications and services. View contributions We’re excited to see how people use GPT-4 as we work towards developing technologies that empower everyone.

Sep 25, 2023 · We are beginning to roll out new voice and image capabilities in ChatGPT. They offer a new, more intuitive type of interface by allowing you to have a voice conversation or show ChatGPT what you’re talking about.

Work with Apps on macOS ChatGPT for macOS can now work with your apps. In this early beta, you can let ChatGPT look at coding apps to provide better answers.