Single-file download, fuss-free and install-less that runs on mac, windows and linux (+ docker of course.) It can run any model that talks to openai (which is nearly all of them), so it'll work with the big guys' models and of course other ones like ones you run privately or on localhost.
Unlike Claude Code, which is very good, this one runs in your browser with a local app server to do the heavy lifting. A console app could be written to use this self-same server, too, of course (but that's not priority #1) but you do get a lot of nice benefits that you get for free from a browser.
One other advantage, vis-a-vis Armin's blog post, is that this one can "peek" into terminals that you _explicitly_ start through the service.
It's presently in closed alpha, but I want to open it up to more people to use. If you're interested, you and anyone else who is interested can ping me by email -- see my profile.