Tim Cook must be super jealous of Sam Altman's new ChatGPT-4o voice assistant. Siri is far behind — but Apple still has one big advantage.

The Apple CEO is expected to unveil plans to bring AI to iPhones by partnering with Google or OpenAI, but both companies present serious issues.

Forbes contributors publish independent expert analyses and insights. Tim Bajarin covers the tech industry’s impact on PC and CE markets. Tim Cook's leadership at Apple remains steady as he continues ...