I tried that some time ago and found I prefer working with one model (chatgpt back then) with its interface and settings. But you are right a good reason to add

I tried that some time ago and found I prefer working with one model (chatgpt back then) with its interface and settings. But you are right a good reason to additionally switch to the ultimate plan would be more support for Kagi which I love. It would still be 2 subscriptions since my chatgpt is pay as you go on the ancient model via api.