# Simple eval for legal benchmarking with OpenRouter: n8n workflow

> Started by an event in a connected app, and works across Google Drive and Google Sheets. It hands the judgement calls to OpenRouter.

Source: https://millionrounds.com/workflow/simple-eval-for-legal-benchmarking-with-openrouter (Millionrounds; every figure on the page links to its filing or article)

[Automation library](https://millionrounds.com/workflows) · [Data collection](https://millionrounds.com/workflows?category=Data+collection#library)

# Simple eval for legal benchmarking with OpenRouter

Started by an event in a connected app, and works across Google Drive and Google Sheets. It hands the judgement calls to OpenRouter. 12 steps, 2 branches, 2 loops or waits: a working afternoon to understand properly.

Medium Calls a model: OpenRouter

[Download free](https://millionrounds.com/login?next=%2Fapp%2Fworkflow%2Fsimple-eval-for-legal-benchmarking-with-openrouter)

**12 steps** Medium: a working afternoon

**2** Branches: places the flow splits

**2** Loops or waits

**2** Services it connects to

## The flow

Starts it 1 Model 3 Logic 4 Service 4

The steps in the order they run, from what starts it.

- 1 **When clicking ‘Test workflow’** Manual trigger *Starts it*
- 2 **OpenRouter Chat Model** Lm Chat Open Router *Model*
- 3 **Structured Output Parser** Output Parser Structured *Model*
- 4 **Get Tests** Google Sheets *Service*
- 5 **LLM Judge** Chain Llm *Model*
- 6 **Is PDF?** If *Logic*
- 7 **Update Results** Google Sheets *Service*
- 8 **Loop Over Items** Split In Batches *Logic*
- 9 **Wait** Wait *Logic*
- 10 **Google Drive** Google Drive *Service*
- 11 **Is a file?** If *Logic*
- 12 **Extract from File** Extract From File *Service*

## How it's built

- **Starts on:** An event in a connected app
- **Steps:** 12, with 2 branches, 2 loops or waits
- **Size:** Medium: a working afternoon
- **Connects to:** Google Drive, Google Sheets
- **Model:** OpenRouter

## Questions

What does it need to run?

An n8n account, plus your own Google Drive and Google Sheets accounts, and a key for OpenRouter. You connect your own accounts after importing it; none are included.

What starts it?

It starts on an event in a connected app.

Does it use AI?

Yes. It calls OpenRouter. Model calls are billed by the provider, not by n8n.

How long does it take to set up?

Plan an afternoon. 12 steps is enough that you should read each one before running it.

How do I import it?

Copy the workflow, open a new workflow in n8n and paste. The steps appear on the canvas, ready for your own accounts.

**Before you run it**

Nothing here has been tested by us. It is somebody's working automation, read and described from its own steps. Treat the connections it wants as a list of accounts it will touch, and read the 12 steps before you point it at anything that matters.

## Run it in n8n

- **Create your n8n account** Free to start. n8n is where the workflow runs. [Create an n8n account ↗](https://millionrounds.com/n8n)
- **Download the workflow** Free with a Millionrounds account. [Download free](https://millionrounds.com/login?next=%2Fapp%2Fworkflow%2Fsimple-eval-for-legal-benchmarking-with-openrouter)
- **Paste it into n8n** Open a new workflow in n8n and paste. Then connect your own accounts.

Stored with the author's traces removed: canvas notes, instance identifiers, saved credential names and any live document they had left behind.

## Connects to

Each opens the other workflows that use it.

[Google Drive](https://millionrounds.com/workflows?service=Google+Drive#library)[Google Sheets](https://millionrounds.com/workflows?service=Google+Sheets#library)

## Workflows like it

Also data collection, with the same services where possible, closest in size first.

- [**AI Job Scout: Automate n8n & AI Role Tracking with RapidAPI** 12 steps · calls a model · Google Docs, Google Sheets](https://millionrounds.com/workflow/ai-job-scout-automate-n8n-and-ai-role-tracking-with-rapidapi)
- [**AI Portfolio Risk Analyzer for Zerodha with Perplexity** 12 steps · calls a model · Email, Google Sheets](https://millionrounds.com/workflow/ai-portfolio-risk-analyzer-for-zerodha-with-perplexity)
- [**AI email organizer for Gmail - advanced email management** 12 steps · calls a model · Gmail, Google Sheets](https://millionrounds.com/workflow/ai-email-organizer-for-gmail-advanced-email-management)
- [**Analyze Crunchbase startups by keyword with Bright Data** 12 steps · calls a model · Google Sheets](https://millionrounds.com/workflow/analyze-crunchbase-startups-by-keyword-with-bright-data)
- [**Audit workflow compliance risk with OpenAI and Gmail** 12 steps · calls a model · Gmail, Google Sheets](https://millionrounds.com/workflow/audit-workflow-compliance-risk-with-openai-and-gmail)
- [**Auto-generate AI news commentary with Dumpling AI and OpenAI** 12 steps · calls a model · Google Sheets](https://millionrounds.com/workflow/auto-generate-ai-news-commentary-with-dumpling-ai-and-openai)