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olmOCR vs Umi-OCR: catalog facts
olmOCR	Umi-OCR
Free Free and open source under the Apache 2.0 licence; you supply the GPU.	Free Free and open source under the MIT licence.
Linux, Command line	Windows, Linux, Command line
Handles tables, equations and handwriting Keeps reading order in complex layouts	Runs fully offline with a built-in OCR engine Screenshot, batch image and PDF recognition
Requires a capable GPU Command-line pipeline with no desktop interface	No macOS build Documentation is primarily in Chinese, with English and Japanese READMEs
Downloadable app	Downloadable app
Open source	Open source
License: Apache-2.0	License: MIT
No account needed	No account needed
Works offline	Works offline
Official website Full listing and sources Checked September 24, 2026	Official website Full listing and sources Checked October 2, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.