chatgpt.com
ChatGPT
ChatGPT helps you get answers, find inspiration, and be more productive.
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openai.com
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.
openai.com
Introducing ChatGPT - OpenAI
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 prem...
openai.com
立即开始使用 ChatGPT | OpenAI
我们的核心使命是让 ChatGPT 等工具广泛普及，让人们体验人工智能的益处。来自 185 个国家/地区超过 1 亿人每周使用 ChatGPT 学习新知识、寻找创意灵感并解答疑问。即日起，您可以立即使用 ChatGPT，无需注册。我们正在逐步推广这项服务，旨在让所有对人工智能感兴趣的人都能轻松使用。
openai.com
API Platform | OpenAI
Aug 31, 2025 · Our API platform offers our latest models and guides for safety best practices.
grok.com
Grok
Grok is an AI assistant built by xAI. Chat, create images, write code, and get real-time answers from the web and X.
chatgpt.com
ChatGPT | AI Chatbot to Discover, Learn & Create
Now with GPT-5.4, our most capable and efficient frontier model for professional work.