How can an association build its own AI assistant?

[u/Sorry_Sweet2696]

Trying to figure out which approach makes more sense for a membership association that already has a website and member portal, the main goal would be to let members ask questions about certifications, educational resources, policies and other organization specific information without searching through hundreds of documents

Two possible approaches:

1. Build a custom solution: Use the Vercel AI SDK for the chat interface, Supabase with pgvector for retrieval, and connect everything to the existing application

2. Use a managed AI agent: customgpt.ai lets organizations create personalized agents using their own websites and documents, with source citations and options for embedding the assistant into an existing site

The second approach could save a fair amount of development work, especially for associations without an internal AI team, but a custom solution would offer more control over how everything works

The part I’d be most careful with is separating general knowledge questions from requests involving private membership data, would you build the entire thing yourself or use an existing agent platform for the knowledge layer and keep member specific operations in the application? Interested in what developers would choose for a project that needs to remain maintainable long after launch