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Azure Document Intelligence vs SmolDocling

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

Get API keyAll models
Azure Document Intelligenceazure/document-intelligenceSmolDoclinghuggingface/smoldocling
TypeOCR APIOpen source
Price15 credits / page1 credit / page
Per 1,000 pages$15.00$1.00
Typical speed1.5 s / page1.0 s / page
Best forEnterprise forms and IDsVery cheap page conversion
InputsPDF, imagesPDF, images
Languages300+ languagesMainly English
Max pages per request2,000500
Tables✓ Yes✓ Yes
Handwriting✓ YesNo
MathNo✓ Yes
Bounding boxes✓ Yes✓ Yes
Confidence✓ YesNo
Forms✓ YesNo
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

Azure Document Intelligence

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

Azure Document Intelligence details

SmolDocling

Tiny 256M vision model from Hugging Face and IBM that outputs DocTags. Predecessor of Granite Docling.

SmolDocling details

Use one, fall back to the other

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

Questions

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