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
OpenAI Introducing Lockdown Mode and Elevated Risk labels in ChatGPT Safety Feb 13, 2026
GPT-5 is here | OpenAI ChatGPT thinks harder on complex tasks and asks relevant follow-up questions to keep work moving Every employee can get expert-level results without switching models
GPT-4 | OpenAI Training with human feedback We incorporated more human feedback, including feedback submitted by ChatGPT users, to improve GPT‑4’s behavior We also worked with over 50 experts for early feedback in domains including AI safety and security
OpenAI 有什么可以帮忙的？ Plan a surf trip to Costa Rica in August 使用 ChatGPT 搜索 与 ChatGPT 交谈 研究 Sora 更多
Start using ChatGPT instantly 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
Introducing ChatGPT Plus - OpenAI We’re launching a pilot subscription plan for ChatGPT, a conversational AI that can chat with you, answer follow-up questions, and challenge incorrect assumptions