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.

Unlimited* access to o1, o1-mini, GPT-4o, and voice (audio only) Higher limits for video and screensharing in voice. Access to o1 pro mode, which uses more compute for the best answers to the hardest questions. Extended access to Sora video generation. Access to Operator research preview (U.S. only)

2023年3月14日 · 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.

Chat on the go, have voice conversations, and ask about photos. Download for iOS (opens in a new window) Download for Android (opens in a new window) For Desktop

The official ChatGPT desktop app brings you the newest model improvements from OpenAI, including access to OpenAI o1-preview, our newest and smartest model. · Chat with your computer—Use Advanced Voice to chat with your computer in real-time and get hands-free advice and answers while you work.

2025年1月17日 · With the official ChatGPT app, get instant answers and inspiration wherever you are. This app is free and brings you the newest model improvements from OpenAI, including access to GPT-4o, our...

ChatGPT is a generative artificial intelligence chatbot [2] [3] developed by OpenAI and launched in 2022. It is currently based on the GPT-4o large language model (LLM). ChatGPT can generate human-like conversational responses and enables users to refine and steer a conversation towards a desired length, format, style, level of detail, and language. [4]