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 ...

OpenAI says it'll soon wind down GPT-4.5, its largest-ever AI model, in its API only months after releasing it.

The company also announced that developers can use API keys to bring AI models from other providers to Xcode for AI-powered programming suggestions.