Exploring FAISS Vector Databases for GPT Project Generators

AI is such a huge topic. Has anyone been working with clients on FAISS vector databases in lieu of custom models? A use case would be a project generator based of all your previous projects, or a master Rev Ops library in a GPT derived from all your internal docs. I've created an OpenSource and have implemented for a GPT powered employee handbook/onboarding. That gave me the idea for the SOW Rev Ops creator. https://gtmharmony.io/sow if you want to give it a try. You're rate limited on my server, but you can run it locally too.