Introducing ChatGPT - OpenAI 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
GPT‑5 is here - OpenAI GPT‑5 excels at writing, research, analysis, coding, and problem-solving It delivers more accurate, professional responses and feels like collaborating with a smart, thoughtful colleague
Start using ChatGPT instantly - OpenAI There are many benefits to creating an account including the ability to save and review your chat history, share chats, and unlock additional features like voice conversations and custom instructions For anyone that has been curious about AI’s potential but didn’t want to go through the steps to set-up an account, start using ChatGPT today
Introducing GPT-4o and more tools to ChatGPT free users In line with our mission, we are focused on advancing AI technology and ensuring it is accessible and beneficial to everyone Today we are introducing our newest model, GPT‑4o, and will be rolling out more intelligence and advanced tools to ChatGPT for free
OpenAI | OpenAI We believe our research will eventually lead to artificial general intelligence, a system that can solve human-level problems Building safe and beneficial AGI is our mission
ChatGPT Free Tier FAQ - OpenAI Help Center ChatGPT is free to use, and Free tier users now have access to a large range of capabilities with GPT-5 5, including access to a series of tools and access to GPTs in our GPT store In addition to advanced intelligence capabilities, Free tier users can now: Search the web and obtain up-to-date information Analyze and extract insights from your data Upload images or files in your prompts
馬上開始使用 ChatGPT | OpenAI 我們的使命，是提升 ChatGPT 這類工具的普及度，讓更多人能體驗 AI 帶來的效益。目前已有遍佈 185 個國家的逾一億使用者，每週透過 ChatGPT 學習新知、尋找靈感，以及獲得問題的解答。今天起，您無需註冊帳號即可直接使用 ChatGPT。我們將逐步推出這項功能，目標是讓所有對 AI 感到好奇的人，都能
Introducing ChatGPT search | OpenAI The search model is a fine-tuned version of GPT‑4o, post-trained using novel synthetic data generation techniques, including distilling outputs from OpenAI o1‑preview ChatGPT search leverages third-party search providers, as well as content provided directly by our partners, to provide the information users are looking for Learn more here
Introducing GPT‑5. 2 - OpenAI GPT-5 2 is our most advanced frontier model for everyday professional work, with state-of-the-art reasoning, long-context understanding, coding, and vision Use it in ChatGPT and the OpenAI API to power faster, more reliable agentic workflows