You can retrieve your unique API key anytime from OpenAI's website, which means you'll need to make an OpenAI account if you haven't already. Visit the OpenAI platform website.

While obtaining an API key is free, usage of OpenAI’s models comes at a cost. Creating an account is free, but using the API to access ChatGPT and GPT-4 requires choosing one of OpenAI’s paid ...

To get an OpenAI API key, you'll need to create an account first. It's free to sign-up for personal use, though, as noted, if you use it regularly, you'll have to pay once your free trial credit ...

How to use the ChatGPT API key There are generally two ways to use an OpenAI key: The key is entered into the settings page of a software program that accesses OpenAI for you. The key is used ...

When working with OpenAI, you’ll often use custom GPTs alongside the API key. These GPTs are vital for training AI models and play a significant role in the entire process.

On July 17, 2025, OpenAI introduced ChatGPT agent, marking a significant evolution in AI assistance technology. This feature ...

First detailed in documentation leaked earlier this month, OpenAI’s dedicated capacity plans, launched today, let customers pay for an allocation of compute infrastructure to run an OpenAI model ...