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Azure Document Intelligence vs Unlimited OCR

Unlimited OCR is cheaper per page; Unlimited OCR is faster; only Azure Document Intelligence supports forms, handwriting, confidence; only Unlimited OCR supports math.

Azure Document Intelligenceazure/document-intelligenceUnlimited OCRbaidu/unlimited-ocr
TypeOCR APIOpen source
Price15 credits / page2 credits / page
Per 1,000 pages$15.00$2.00
Typical speed1.5 s / page1.2 s / page
Best forEnterprise forms and IDsBooks and very long documents
InputsPDF, imagesPDF, images
Languages300+ languages30+ languages
Max pages per request2,0001,000
Tables✓ Yes✓ Yes
Handwriting✓ YesNo
MathNo✓ Yes
Bounding boxes✓ Yes✓ Yes
Confidence✓ YesNo
Forms✓ YesNo
Multilingual✓ Yes✓ Yes
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

Azure Document Intelligence

Azure layout model with tables, selection marks and prebuilt invoice and ID readers.

Azure Document Intelligence details

Unlimited OCR

Open-source model from Baidu that reads hundreds of pages in one pass with flat memory use.

Unlimited OCR details

Use one, fall back to the other

Request body
{
  "model": "azure/document-intelligence",
  "fallbacks": ["baidu/unlimited-ocr"],
  "file_url": "https://example.com/document.pdf"
}

Questions

More comparisons

Azure Document Intelligence alternativesUnlimited OCR alternatives