New Delhi, Aug. 10 -- OpenAI launched its GPT-5 update on Thursday with the promise of huge improvements over the existing GPT and reasoning models. The new model has already replaced GPT-4o as the default model on ChatGPT and it is all set to be coming to iPhones, iPads and other Apple devices with the onset of Apple's upcoming iOS 26, iPadOS 26, and macOS Tahoe 26, as per a 9to5Mac report.

Notably, Apple already uses ChatGPT in its Siri voice assistant to run the more complex requests and when answering with detailed information. Just like the ChatGPT app, GPT-4o had been the standard model that Siri directed user requests to but with GPT-5 taking over the AI chatbot, all such requests would soon go through the new model.

If the repor...