Save Costs In RAG Workflows using the Q&A Tool With Multiple Models
This template shows how to use the Question and Answer tool to save costs in RAG use cases. Who is this for? This template is for everyone who wants to start giving knowledge to their Agents through RAG. Requirements Have a PDF with custom knowledge that you want to provide to your agent. Setup No setup required. Just hit Execute Workflow, upload your knowledge document and then start chatting. How to customize this to your needs 1. Add custom instructions to your Agent by chan
At a glance
Save Costs In RAG Workflows using the Q&A Tool With Multiple Models is a ready-made n8n workflow you import as a workflow JSON file — no build required. It connects Google Drive. It's free to download. Follow the 5-step import below to go live in minutes.
- Platform
- n8n
- Connects
- Google Drive
- Modules
- 10
- Price
- Free
- Version
- v1.0

About this workflow
This template shows how to use the Question and Answer tool to save costs in RAG use cases. Who is this for? This template is for everyone who wants to start giving knowledge to their Agents through RAG. Requirements Have a PDF with custom knowledge that you want to provide to your agent. Setup No setup required. Just hit Execute Workflow, upload your knowledge document and then start chatting. How to customize this to your needs 1. Add custom instructions to your Agent by changing the prompts in it. 2. Add a different way to load in knowledge to your vector store, e.g. by looking at some Google Drive files or loading knowledge from a table. 3. Describe your data properly in the Q&A tool 4. Exchange the Simple Vector Store nodes with your own vector store tools ready for production. 5. Add a more sophisticated way to rank files found in the vector store. For more information read our docs on RAG in n8n.
How to import this n8n workflow
- 1
Download the workflow JSON file after purchase.
- 2
Open n8n → click the menu → Import from File.
- 3
Select the downloaded JSON and import.
- 4
Set up credentials for each node that requires them.
- 5
Click Execute Workflow to test, then activate.
Setup guide
Setup guide included
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- JSON blueprint — instant download
- Setup guide PDF included
- 5 downloads · valid 30 days
- Works with n8n
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