OCRmyPDF vs Kraken
OCRmyPDF is faster; only Kraken supports handwriting, bounding boxes.
OCRmyPDFocrmypdf/ocrmypdf | Krakenkraken/kraken | |
|---|---|---|
| Type | Open source | Open source |
| Price | 1 credit / page | 1 credit / page |
| Per 1,000 pages | $1.00 | $1.00 |
| Typical speed | 1.0 s / page | 1.5 s / page |
| Best for | Searchable PDFs from scans | Historical documents and manuscripts |
| Inputs | PDF, images | images |
| Languages | 100+ languages (via Tesseract) | Many scripts, incl. right-to-left |
| Max pages per request | 1,000 | 500 |
| Tables | No | No |
| Handwriting | No | ✓ Yes |
| Math | No | No |
| Bounding boxes | No | ✓ Yes |
| Confidence | No | No |
| Forms | No | No |
| Multilingual | ✓ Yes | ✓ Yes |
| On OCRRouter | Coming soon | Coming soon |
Prices are what you pay on OCRRouter. Speed is the provider's typical figure, not a benchmark we ran.
What each one is
OCRmyPDF
Command-line tool that adds a searchable text layer to scanned PDFs, using Tesseract.
OCRmyPDF detailsKraken
OCR engine for historical documents and manuscripts, with trainable models for unusual scripts.
Kraken detailsUse one, fall back to the other
Request body
{
"model": "ocrmypdf/ocrmypdf",
"fallbacks": ["kraken/kraken"],
"file_url": "https://example.com/document.pdf"
}