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Kraken vs Surya

Kraken is cheaper per page; only Kraken supports handwriting; only Surya supports tables.

Krakenkraken/krakenSuryadatalab/surya
TypeOpen sourceOpen source
Price1 credit / page2 credits / page
Per 1,000 pages$1.00$2.00
Typical speed1.5 s / page1.5 s / page
Best forHistorical documents and manuscriptsLayout and line-level OCR
InputsimagesPDF, images
LanguagesMany scripts, incl. right-to-left90+ languages
Max pages per request500500
TablesNo✓ Yes
Handwriting✓ YesNo
MathNoNo
Bounding boxes✓ Yes✓ Yes
ConfidenceNoNo
FormsNoNo
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OCR engine for historical documents and manuscripts, with trainable models for unusual scripts.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

Surya

Open-source OCR toolkit with line detection, layout analysis, reading order and tables.

Surya details

Use one, fall back to the other

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

Questions

More comparisons

Kraken alternativesSurya alternatives