The conversational AI that started the revolution.
ChatGPT by OpenAI is a general-purpose conversational assistant built on GPT-4o and o-series reasoning models. It writes, codes, analyzes documents, browses the web and generates images from a single chat interface.
o-series models think step-by-step through hard problems in math, science and code.
Understands text, images, voice and files in a single conversation.
Build and share tailored assistants without writing any code.
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