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Chandra vs Adobe Acrobat OCR

Chandra is cheaper per page; only Chandra supports tables, math, handwriting, forms, bounding boxes.

Get API keyAll models
Chandradatalab/chandraAdobe Acrobat OCRadobe/acrobat-ocr
TypeOpen sourceOCR API
Price2 credits / page14 credits / page
Per 1,000 pages$2.00$14.00
Typical speed2.0 s / page2.0 s / page
Best forComplex layouts and handwritingSearchable PDFs in Acrobat
InputsPDF, imagesPDF, images
Languages40+ languagesMajor European and Asian languages
Max pages per request5001,000
Tables✓ YesNo
Handwriting✓ YesNo
Math✓ YesNo
Bounding boxes✓ YesNo
ConfidenceNoNo
Forms✓ YesNo
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

Chandra

Datalab's OCR model that keeps layout and handles forms, tables and handwriting.

Chandra details

Adobe Acrobat OCR

OCR built into Acrobat desktop. Adobe PDF Services API also offers OCR. Price is an estimate.

Adobe Acrobat OCR details

Use one, fall back to the other

Request body
{
  "model": "datalab/chandra",
  "fallbacks": ["adobe/acrobat-ocr"],
  "file_url": "https://example.com/document.pdf"
}

Questions

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