I've gotten to the point where I barely use ChatGPT. Well, I don't have to, because of the direct integration of the OpenAI API with my Mac and iPhone. Now, GPT-4 is available to me via keyboard shortcuts, automations, and Siri.
In this video, you may find inspiration on how to design your own GPT-4 assistant/copilot with tools like LangChain, Pinecone/Qdrant, and some backend code.
If you'd like to get access to the Alice app, go to heyalice.app. I send out invitations every couple of weeks.