Automate Assignment Grading with GPT-4-Turbo and Multi-Format Reports

Introduction

Automates AI-driven assignment grading with HTML and CSV output. Designed for educators evaluating submissions with consistent criteria and exportable results.

How It Works

Webhook receives papers, extracts text, prepares data, loads answers, AI grades submissions, generates results table, converts to HTML/CSV, returns response.

Workflow Template

Webhook → Extract Text → Prepare Data → Load Answer Script → AI Grade (OpenAI + Output Parser) → Generate Results Table → Convert to HTML + CSV → Format Response → Respond to Webhook

Workflow Steps

1. Input & Preparation: Webhook receives paper, extracts text, prepares data, loads answer script.
2. AI Grading: OpenAI evaluates against answer key, Output Parser formats scores and feedback.
3. Output & Response: Generates results table, converts to HTML/CSV, returns multi-format response.

Setup Instructions

1. Trigger & Processing: Configure webhook URL, set text extraction parameters.
2. AI Configuration: Add OpenAI API key, customize grading prompts, define Output Parser JSON schema.

Prerequisites

• OpenAI API key
• Webhook platform
• n8n instance

Use Cases

• University exam grading
• Corporate training assessments

Customization

• Modify rubrics and criteria
• Add PDF output
• Integrate LMS (Canvas, Blackboard)

Benefits

• Consistent AI grading
• Multi-format exports
• Reduces grading time by 90%