🎓 Beginner Tutorial: AI Evaluation with Gemini & Google Sheets

Beginner-friendly n8n workflow tutorial using the Evaluation tool to score AI outputs against ground truth from Google Sheets. Integrates Gemini AI with calculator tool for accurate testing.

This workflow serves as an introductory tutorial for using n8n's Evaluation tool to automatically assess AI-generated responses against predefined correct answers (ground truth) stored in Google Sheets. It demonstrates a simple structure for AI model testing, supporting both manual ad-hoc tests and batch evaluation of datasets. The workflow features two modes: Manual Test Mode, triggered by executing the workflow, which sends a fixed question like 'How much is 8 * 3?' to a Google Gemini-powered
Platform
n8n
Category
HR Management
Price
$9.99
Creator
Tobias Bianchi

How to import this workflow into n8n

  1. 1Purchase or download the workflow to get the n8n workflow JSON file.
  2. 2In your n8n instance, open Workflows and choose "Import from File" (or paste the JSON with Ctrl+V on the canvas).
  3. 3Open each node marked with a credential warning and connect your own accounts and API keys.
  4. 4Run the workflow once manually to verify the data flow, then toggle it to Active.

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