安裝中文字典英文字典辭典工具!
安裝中文字典英文字典辭典工具!
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- OpenAI
GPT-5 OpenAI o3 OpenAI o4-mini GPT-4o GPT-4o mini Sora Safety Safety Approach Security Privacy Trust Transparency ChatGPT Explore ChatGPT Business Enterprise Education Pricing Download Sora Sora Overview Features Pricing Sora log in API Platform Platform Overview Pricing API log in Documentation Developer Forum For Business Business
- Start using ChatGPT instantly
Starting today, you can use ChatGPT instantly, without needing to sign-up We're rolling this out gradually, with the aim to make AI accessible to anyone curious about its capabilities
- 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
- The ChatGPT home page - OpenAI Help Center
ChatGPT is free to use, and can now be accessed before creating an account at chatgpt com Simply enter your prompt in the text box to get started For general questions about ChatGPT, please refer to our ChatGPT commonly asked questions
- 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
- ChatGPT Capabilities Overview - OpenAI Help Center
Speak naturally with ChatGPT using the mobile app or supported desktop web platforms You can have a hands-free conversation, choose your preferred voice, and receive spoken responses
- What is ChatGPT? - OpenAI Help Center
ChatGPT is not connected to the internet, and it can occasionally produce incorrect answers It has limited knowledge of world and events after 2021 and may also occasionally produce harmful instructions or biased content We'd recommend checking whether responses from the model are accurate or not
- Introducing GPT-5 - OpenAI
For ChatGPT free-tier users, full reasoning capabilities may take a few days to fully roll out Once free users reach their GPT‑5 usage limits, they will transition to GPT‑5 mini, a smaller, faster, and highly capable model
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