Automated Invoice Processing with Mistral OCR + GPT-4o-mini

This n8n workflow automates end-to-end invoice management by monitoring Google Drive for new uploads, converting documents to Base64, and leveraging Mistral AI's advanced OCR for precise text extraction from single or multi-page invoices. The extracted text is then processed by OpenAI's GPT-4o-mini, which intelligently structures data into a custom JSON schema including vendor details, line items, totals, dates, and payment terms. Key benefits include exceptional accuracy on complex documents,