Evaluate AI workflows using Google Sheets, Gemini, Claude, GPT, and Perplexity
Ready for 3.0Ready for 3.0. This template uses no nodes that n8n 3.0 removes. No removed nodes, versions or helpers found. Static check, last run 2026-10-19.
What this workflow does
This AI workflow has 49 nodes and runs on Evaluation events (plus 7 other triggers). Along the way it connects Evaluation, Google Gemini Chat Model, Anthropic Chat Model and Perplexity and 2 more.
How it runs
Trigger: On Evaluation events (plus 7 other triggers).
- Information Extractor: extracts structured fields from text with AI, with model: Google Gemini Chat Model
- Extract from File: extracts data from a file
- World Series Searcher (AI Agent): runs an AI agent, with model: Google Gemini Chat Model
- World Series Searcher (AI Agent): runs an AI agent, with model: Anthropic Chat Model; 1 tool (Perplexity Tool)
- US Postal Formatter (AI Agent): runs an AI agent, with model: Anthropic Chat Model
- Product Description Rewriter (AI Agent): runs an AI agent, with model: Google Gemini Chat Model
- Article Reviewer (Summarization Chain): summarizes text with AI, with model: Google Gemini Chat Model
- Evaluation: check if evaluating
- Evaluation: check if evaluating
- Evaluation: check if evaluating
…plus 22 more steps. See the full node list below.
Services it uses
Before you upgrade to n8n 3.0
Nothing in this workflow is removed in n8n 3.0, so it should import and run after the upgrade.
- Still check Gmail Trigger below v1.4 runs as v1.4 (drafts skipped, max emails per poll) (Gmail Trigger).
Nodes used (13)
- Evaluation
n8n-nodes-base.evaluation - Evaluation Trigger
n8n-nodes-base.evaluationTrigger - Google Gemini Chat Model
@n8n/n8n-nodes-langchain.lmChatGoogleGemini - Anthropic Chat Model
@n8n/n8n-nodes-langchain.lmChatAnthropic - Perplexity Tool
n8n-nodes-base.perplexityTool - OpenAI Chat Model
@n8n/n8n-nodes-langchain.lmChatOpenAi - Gmail Trigger
n8n-nodes-base.gmailTrigger - Extract from File
n8n-nodes-base.extractFromFile - Information Extractor
@n8n/n8n-nodes-langchain.informationExtractor - If
n8n-nodes-base.if - Gmail
n8n-nodes-base.gmail - AI Agent
@n8n/n8n-nodes-langchain.agent - Summarization Chain
@n8n/n8n-nodes-langchain.chainSummarization
From the author
This template and YouTube video goes over 5 different implementations of evaluations within n8n. - Categorization - Correctness - Tools used - String similarity - Helpfulness You’ll learn when to use each type, how to set up test datasets in Google Sheets or…