Indra OCR open-sourced: 18MB ONNX model, pip install, 14 languages

VikParuchuri · x · 2026-10-14

Follow-up from Vik Paruchuri with links for Indra OCR: Hugging Face weights (datalab-to/indra-ocr, openrail, 18MB ONNX, no PyTorch), code, and blog post. Usage is pip install indra-ocr then indra-ocr paper.pdf, outputting markdown, plain text, or JSON with boxes; 14 languages, 230ms/page on 4 vCPUs, reads digital PDF text layers and OCRs only gaps. Datalab also pitches its managed high-accuracy model Chandra and batch service.

Related event: Datalab Open-Sources Indra, a 1M-Parameter OCR Model Hitting 49 Pages/sec on CPU(6 posts)→

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