SupaCortex vs building your own RAG
Chunk, embed, retrieve, prompt: the demo works by Friday. Then someone asks what happens when the SharePoint folder changes, or when a customer asks about someone else's order.
Should we build our own RAG or use SupaCortex?
Build if you need full control over every model and component, have engineers to run it for years, or retrieval is your product. Use SupaCortex if you want the production work already done: sources kept in step, official documents ranked above past tickets, a confidence gate, checked citations, customer scoping, confirmed actions, usage limits, and channels - website widget, help-desk drafts, team chat and API - that your team would otherwise build one by one.
- Your own build: full control of models, prompts, storage and hosting.
- Your own build: you own the sync, evaluation, security and on-call.
- SupaCortex: separate business and vector databases per workspace.
- SupaCortex: Search API at no credit cost, to use as your retrieval layer.
- SupaCortex: no choice of model provider today.
Feature by feature
| Capability | SupaCortex | Your own build |
|---|---|---|
| Choice of models, vector store and hosting | ||
| Custom retrieval logic and prompts | ||
| Time to production for customers and staff | Days | Weeks to months |
| Feeds re-read on a schedule, only changed items refetched | You build it | |
| Safe deletion - a broken crawl never wipes a project | You build it | |
| Hybrid vector + full-text search, weighted by trust | You build it | |
| Confidence gate and citation checking | You build it | |
| Customer scoping from a signed identity | You build it | |
| Actions with confirmation, idempotency and audit | You build it | |
| Ticket mining with redaction and human approval | You build it | |
| Widget, help-desk drafts, team chat and API | You build each | |
| Usage limits, credits and alerts | You build it | |
| Ongoing cost | Plan + credits | Engineers + infrastructure |
"Your own build" means a typical in-house pipeline on open-source frameworks. Your team may already have some of these pieces - count what you have, not what we list.
Being straight about it
Where building your own is the better choice
Full control is a real advantage, and some teams genuinely need it.
- You must choose the model provider, or run everything inside your own cloud account.
- Your documents or retrieval needs are unusual enough that no product fits.
- Retrieval is part of what you sell, so it should be your code.
- You have engineers who will own evaluation, sync and security for years.
Where SupaCortex is the better choice
Most teams do not want to own a RAG platform; they want answers people trust.
- You need it running for customers and staff this quarter, not next year.
- Nobody wants to be on call for a crawler, an embedding queue and a vector database.
- You need the boring parts - redaction, scoping, audit, retention - done properly.
- You still want an API, so your own tools can use the same knowledge.
A middle path: use the SupaCortex Search API as the retrieval layer and write your own front end.
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Questions people ask before they start
Compare your prototype's answers with ours, on the same documents.
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