Apple will reportedly bring OpenAI’s latest GPT-5 model to iPhones via iOS 26 update. Here’s how iPhone users can take advantage of its capabilities.

However, the chat portion of Siri will be mostly the same, so ChatGPT will still be a major part of Apple Intelligence throughout 2026. Apple is reportedly working on a “true modernized, conversational version of Siri,” using a homegrown large-language model, but that isn’t expected to arrive until iOS 27.

Reportedly, Apple is bringing OpenAI's latest GPT-5 model to its AI suite later this year with iOS 26, iPadOS 26 and macOS Tahoe 26 update