For example, GPT-4o mini is OpenAI’s fastest model, while GPT-4o is slower but supports more advanced features, such as file uploads. The latest addition to ChatGPT’s lineup is the o3-pro model.

Companies such as UPS, Meta, Microsoft, BlackRock, and Intel are conducting layoffs. Artificial intelligence is reshaping some workforces. See the list of companies letting workers go in 2025.

Also: 8 AI features coming to iOS 26 that actually excite me (and how to try them now) Notably, the once-popular iPhone X, XS, XR, and XS Max models are not on the list. Show more ...