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Docling vs Unstructured

Docling is cheaper per page; Docling is faster; only Docling supports math; only Unstructured supports multilingual.

Doclingibm/doclingUnstructuredunstructured/unstructured
TypeOpen sourceOCR API
Price2 credits / page20 credits / page
Per 1,000 pages$2.00$20.00
Typical speed2.2 s / page3.0 s / page
Best forStructured export for RAGMixed file types into RAG
InputsPDF, images, DOCXPDF, images, DOCX
LanguagesLatin scripts, CJKMultilingual
Max pages per request5001,000
Tables✓ Yes✓ Yes
HandwritingNoNo
Math✓ YesNo
Bounding boxes✓ Yes✓ Yes
ConfidenceNoNo
FormsNoNo
MultilingualNo✓ 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

Docling

IBM's open-source document converter with a structured document model.

Docling details

Unstructured

Document ETL for RAG. Partitions many file types into typed elements; open-source library too.

Unstructured details

Use one, fall back to the other

Request body
{
  "model": "ibm/docling",
  "fallbacks": ["unstructured/unstructured"],
  "file_url": "https://example.com/document.pdf"
}

Questions

More comparisons

Docling alternativesUnstructured alternatives