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Unlimited OCR vs OCR.space

OCR.space is cheaper per page; Unlimited OCR is faster; only Unlimited OCR supports math.

Unlimited OCRbaidu/unlimited-ocrOCR.spaceocrspace/ocr-space
TypeOpen sourceOCR API
Price2 credits / page1 credit / page
Per 1,000 pages$2.00$1.00
Typical speed1.2 s / page1.5 s / page
Best forBooks and very long documentsCheap simple OCR
InputsPDF, imagesPDF, images
Languages30+ languages20+ languages
Max pages per request1,000100
Tables✓ Yes✓ Yes
HandwritingNoNo
Math✓ YesNo
Bounding boxes✓ Yes✓ Yes
ConfidenceNoNo
FormsNoNo
Multilingual✓ Yes✓ 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

Unlimited OCR

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

Unlimited OCR 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": "baidu/unlimited-ocr",
  "fallbacks": ["ocrspace/ocr-space"],
  "file_url": "https://example.com/document.pdf"
}

Questions

More comparisons

Unlimited OCR alternativesOCR.space alternatives