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.

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.

Jan 31, 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.

Feb 4, 2025 · Minnesota’s Enterprise Translation Office uses ChatGPT to bridge language gaps

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 · 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.

Dec 5, 2024 · Today, we’re adding ChatGPT Pro, a $200 monthly plan that enables scaled access to the best of OpenAI’s models and tools. This plan includes unlimited access to our smartest model, OpenAI o1, as well as to o1-mini, GPT-4o, and Advanced Voice.