Using GRPO to extract receipt data as JSON
An article published on May 4, 2026 presents a GRPO fine-tuning workflow for extracting data from receipts with OCR and structuring it as JSON.
Source: Fine-tuning do LFM2.5-1.2B-Instruct com GRPO (leoniemonigatti.com). Text prepared with AI from this source.
What happened and what to do
The article, published on May 4, 2026, explains GRPO and demonstrates fine-tuning a 1.2-billion-parameter language model with Unsloth. Its goal is to extract data from OCR-processed receipts and produce JSON output; the tutorial also includes a notebook for running the workflow on Kaggle.
A company could adapt this approach to structure documents and connect extracted data to internal systems. A project could assess OCR and output quality, define JSON validations, and implement processing, monitoring, and error handling on the company’s own infrastructure.
How the consultancy can help
Wendelmaques can diagnose a receipt-processing workflow, define an implementation scope, and structure its operation, including validations, monitoring, and integration with internal systems.
Next step
Send a short description of the documents and process you want to automate to receive a scoped proposal.
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