Apple users can soon upgrade to ChatGPT Plus within the Settings app. The integration with OpenAI's AI model will be available in December, when iOS 18.2 rolls out. This will enable users to access premium features and models, including Advanced Voice Mode, for $20 a month. While Apple is not paying OpenAI for this integration, it may benefit from increased exposure and potential sales.

Source: https://techcrunch.com/2024/11/04/apple-users-can-soon-upgrade-to-chatgpt-plus-within-the-settings-app/