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Kraken vs Nanonets-OCR

Kraken is cheaper per page; Kraken is faster; only Kraken supports handwriting, bounding boxes; only Nanonets-OCR supports tables, math, forms.

Krakenkraken/krakenNanonets-OCRnanonets/nanonets-ocr
TypeOpen sourceOpen source
Price1 credit / page2 credits / page
Per 1,000 pages$1.00$2.00
Typical speed1.5 s / page1.8 s / page
Best forHistorical documents and manuscriptsMarkdown with semantic tags
InputsimagesPDF, images
LanguagesMany scripts, incl. right-to-leftMultilingual
Max pages per request500500
TablesNo✓ Yes
Handwriting✓ YesNo
MathNo✓ Yes
Bounding boxes✓ YesNo
ConfidenceNoNo
FormsNo✓ Yes
Multilingual✓ Yes✓ Yes
On OCRRouterComing soonComing soon

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

What each one is

Kraken

OCR engine for historical documents and manuscripts, with trainable models for unusual scripts.

Kraken details

Nanonets-OCR

Open image-to-Markdown model that tags tables, equations, signatures, watermarks and checkboxes.

Nanonets-OCR details

Use one, fall back to the other

Request body
{
  "model": "kraken/kraken",
  "fallbacks": ["nanonets/nanonets-ocr"],
  "file_url": "https://example.com/document.pdf"
}

Questions

More comparisons

Kraken alternativesNanonets-OCR alternatives