{"repo":"datalab-to/chandra","free":true,"listed":false,"github":"https://github.com/datalab-to/chandra","clone":"git clone https://github.com/datalab-to/chandra.git","description":"OCR model that handles complex tables, forms, handwriting with full layout.","language":"Python","stars":12105,"topics":["ai","ocr"],"license":"Apache-2.0","category":"media-processing","readme_excerpt":"Datalab State of the Art models for Document Intelligence Chandra OCR 2 Chandra OCR 2 is a state of the art OCR model that converts images and PDFs into structured HTML/Markdown/JSON while preserving layout information. Try Chandra on Datalab Our managed platform runs an improved Chandra with higher accuracy than the open weights, zero data retention by default, SOC 2 Type 2, and custom BAAs. If you have high volume workloads, we offer a batch processing service that has processed 200M+ pages per week — we manage the infrastructure so your workloads finish on time. Get started with $5 in free credits — sign up — takes under 30 seconds — or try Chandra in our public playground. Commercial self-hosting requires a license — see Commercial usage. For on-prem licensing, contact us. News - 3/2026 - Chandra 2 is here with significant improvements to math, tables, layout, and multilingual OCR - 10/2025 - Chandra 1 launched Features - Tops external olmocr benchmark and significant improvement in internal multilingual benchmarks - Convert documents to markdown, html, or json with detailed layout information - Support for 90+ languages (benchmark below) - Excellent handwriting support - Reconstructs forms accurately, including checkboxes - Strong performance with tables, math, and complex layouts - Extracts images and diagrams, and adds captions and structured data - Two inference modes: local (HuggingFace) and remote (vLLM server) Quickstart The easiest way to start is with the CLI too","default_branch":null,"files":null,"tree":[],"storefront":"/r/datalab-to","claimed":false,"request_supported":{"post":"https://gitbuyer.com/r/datalab-to/chandra/request-supported","requests":0},"note":"indexed from public GitHub; nothing is for sale on this page. Clone it from GitHub. Paid listings live at /search."}