We do have a switcher in the UI that lets you run against either GPT-3.5-turbo or GPT-4.
We've mainly been using GPT-4 for internal tests because in the "Make it work, make it right, make it fast" development flow, we're still firmly in the "make it work" phase. ;)
We've mainly been using GPT-4 for internal tests because in the "Make it work, make it right, make it fast" development flow, we're still firmly in the "make it work" phase. ;)