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Tesseract OCR vs olmOCR: catalog facts
Tesseract OCR	olmOCR
Free Free and open source under the Apache licence.	Free Free and open source under the Apache 2.0 licence; you supply the GPU.
Windows, macOS, Linux, Command line	Linux, Command line
Over a hundred languages, with trainable models Outputs searchable PDFs directly, not just text	Handles tables, equations and handwriting Keeps reading order in complex layouts
Accuracy depends heavily on image preprocessing you must do yourself No interface of its own; it is a command line engine	Requires a capable GPU Command-line pipeline with no desktop interface
Downloadable app	Downloadable app
Open source	Open source
License: Apache-2.0	License: Apache-2.0
Not stated if an account is needed	No account needed
Not stated if it works offline	Works offline
Official website Full listing and sources Checked September 22, 2026	Official website Full listing and sources Checked September 24, 2026

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