Confused by ChatGPT’s models? Here’s a detailed, user-tested guide comparing GPT-4o, GPT-4.1, GPT-4.5, and more — plus ...

ChatGPT is coming to WhatsApp, allowing users to converse with the AI by sending a message much like they would in talking to a human. Skip to main content Open menu Close menu ...

Microsoft 365 Copilot Chat is a relaunched free AI chat with agent support. Microsoft is using this free experience to try and sell businesses on AI.