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Docling vs Tesseract

Tesseract is cheaper per page; Tesseract is faster; only Docling supports tables, math, bounding boxes; only Tesseract supports multilingual.

Doclingibm/doclingTesseracttesseract/tesseract
TypeOpen sourceOpen source
Price2 credits / pageFree
Per 1,000 pages$2.00$0.00
Typical speed2.2 s / page0.6 s / page
Best forStructured export for RAGClean printed text, free
InputsPDF, images, DOCXPDF, images
LanguagesLatin scripts, CJK100+ languages
Max pages per request500500
Tables✓ YesNo
HandwritingNoNo
Math✓ YesNo
Bounding boxes✓ YesNo
ConfidenceNoNo
FormsNoNo
MultilingualNo✓ Yes
On OCRRouterComing soonAvailable

Prices are what you pay on OCRRouter. Speed is the provider's typical figure, not a benchmark we ran.

What each one is

Docling

IBM's open-source document converter with a structured document model.

Docling details

Tesseract

The classic open-source OCR engine. Plain text from clean printed scans.

Tesseract details

Use one, fall back to the other

Request body
{
  "model": "ibm/docling",
  "fallbacks": ["tesseract/tesseract"],
  "file_url": "https://example.com/document.pdf"
}

Questions

More comparisons

Docling alternativesTesseract alternatives