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SmolDocling vs OCR.space

SmolDocling is faster; only SmolDocling supports math; only OCR.space supports multilingual.

SmolDoclinghuggingface/smoldoclingOCR.spaceocrspace/ocr-space
TypeOpen sourceOCR API
Price1 credit / page1 credit / page
Per 1,000 pages$1.00$1.00
Typical speed1.0 s / page1.5 s / page
Best forVery cheap page conversionCheap simple OCR
InputsPDF, imagesPDF, images
LanguagesMainly English20+ languages
Max pages per request500100
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

SmolDocling

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

SmolDocling details

OCR.space

Low-cost OCR API with a large free tier. Returns text, word boxes and searchable PDFs.

OCR.space details

Use one, fall back to the other

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

Questions

More comparisons

SmolDocling alternativesOCR.space alternatives