# Available OCR systems Most of these systems use a combination of classical OCR + AI for best results. ## olmOCR olmOCR is an open-source tool designed for high-throughput conversion of PDFs and other documents into plain text while preserving natural reading order. It supports tables, equations, handwriting, and more. Links: - [Demo](https://olmocr.allenai.org/). - [Github](https://github.com/allenai/olmocr). - [HackerNews discussion](https://news.ycombinator.com/item?id=43174298). ## Mistral OCR OCR engine for Le Chat / Mistral AI. Links: - [LeChat](https://chat.mistral.ai/chat) - [HackerNews discussion](https://news.ycombinator.com/item?id=43282905). ## Zerox OCR A dead simple way of OCR-ing a document for AI ingestion. Documents are meant to be a visual representation after all. With weird layouts, tables, charts, etc. The vision models just make sense! Links: - [Github](https://github.com/getomni-ai/zerox). - [Hosted version](https://getomni.ai/ocr-demo).