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Tesseract vs Donut

Tesseract is cheaper per page; Tesseract is faster; only Tesseract supports multilingual; only Donut supports forms.

Tesseracttesseract/tesseractDonutnaver/donut
TypeOpen sourceOpen source
PriceFree1 credit / page
Per 1,000 pages$0.00$1.00
Typical speed0.6 s / page1.0 s / page
Best forClean printed text, freeReceipt and form fields after fine-tuning
InputsPDF, imagesimages
Languages100+ languagesEnglish, Chinese, Japanese, Korean
Max pages per request500100
TablesNoNo
HandwritingNoNo
MathNoNo
Bounding boxesNoNo
ConfidenceNoNo
FormsNo✓ Yes
Multilingual✓ YesNo
On OCRRouterAvailableComing soon

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

What each one is

Tesseract

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

Tesseract details

Donut

OCR-free document understanding model. Fine-tuned for receipts, forms and document Q&A.

Donut details

Use one, fall back to the other

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

Questions

More comparisons

Tesseract alternativesDonut alternatives