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Unlimited OCR vs Docling

Unlimited OCR is faster; only Unlimited OCR supports multilingual.

Unlimited OCRbaidu/unlimited-ocrDoclingibm/docling
TypeOpen sourceOpen source
Price2 credits / page2 credits / page
Per 1,000 pages$2.00$2.00
Typical speed1.2 s / page2.2 s / page
Best forBooks and very long documentsStructured export for RAG
InputsPDF, imagesPDF, images, DOCX
Languages30+ languagesLatin scripts, CJK
Max pages per request1,000500
Tables✓ Yes✓ Yes
HandwritingNoNo
Math✓ Yes✓ Yes
Bounding boxes✓ Yes✓ Yes
ConfidenceNoNo
FormsNoNo
Multilingual✓ YesNo
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

Unlimited OCR

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

Unlimited OCR details

Docling

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

Docling details

Use one, fall back to the other

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

Questions

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