Kraken vs Donut
Donut is faster; only Kraken supports handwriting, bounding boxes, multilingual; only Donut supports forms.
Krakenkraken/kraken | Donutnaver/donut | |
|---|---|---|
| Type | Open source | Open source |
| Price | 1 credit / page | 1 credit / page |
| Per 1,000 pages | $1.00 | $1.00 |
| Typical speed | 1.5 s / page | 1.0 s / page |
| Best for | Historical documents and manuscripts | Receipt and form fields after fine-tuning |
| Inputs | images | images |
| Languages | Many scripts, incl. right-to-left | English, Chinese, Japanese, Korean |
| Max pages per request | 500 | 100 |
| Tables | No | No |
| Handwriting | ✓ Yes | No |
| Math | No | No |
| Bounding boxes | ✓ Yes | No |
| Confidence | No | No |
| Forms | No | ✓ Yes |
| Multilingual | ✓ Yes | No |
| 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
Kraken
OCR engine for historical documents and manuscripts, with trainable models for unusual scripts.
Kraken detailsDonut
OCR-free document understanding model. Fine-tuned for receipts, forms and document Q&A.
Donut detailsUse one, fall back to the other
Request body
{
"model": "kraken/kraken",
"fallbacks": ["naver/donut"],
"file_url": "https://example.com/document.pdf"
}