I use bing.com/new as my go-to AI. It uses GPT-4, is free, and is evolving quite rapidly. Originally it ran only on Microsoft's (Chrome-based) Edge browser, but now I see it now runs in Chrome itself as well as Firefox and Safari. It also added support for speech input/output (microphone/speaker). In addition, for some time now I found I could ask it for an image and it would use DALL-E to generate it. So I guess they integrated DALL-E into GPT a few months ago, and now they've integrated GPT into DALL-E 3. Or, more precisely, they have a chat (text-based) app that can call the image AI and an image app that calls the text AI. And the chat app can also use their speech-to-text and text-to-speech engines, which are probably also AI based at this point. I'm guessing image input will be next, followed by video output though that may take longer. I wonder if Microsoft is working on a robot?