> A stateful API This would be huge for many applications, as "chatting" with GPT-4 gets really, really expensive very quickly. I've played with API with frien

> A stateful API This would be huge for many applications, as "chatting" with GPT-4 gets really, really expensive very quickly. I've played with API with friends, and winced as I watched my usage hit several dollars for just a bit of fun.