Chandra vs Adobe Acrobat OCR
Chandra is cheaper per page; only Chandra supports tables, math, handwriting, forms, bounding boxes.
Chandradatalab/chandra | Adobe Acrobat OCRadobe/acrobat-ocr | |
|---|---|---|
| Type | Open source | OCR API |
| Price | 2 credits / page | 14 credits / page |
| Per 1,000 pages | $2.00 | $14.00 |
| Typical speed | 2.0 s / page | 2.0 s / page |
| Best for | Complex layouts and handwriting | Searchable PDFs in Acrobat |
| Inputs | PDF, images | PDF, images |
| Languages | 40+ languages | Major European and Asian languages |
| Max pages per request | 500 | 1,000 |
| Tables | ✓ Yes | No |
| Handwriting | ✓ Yes | No |
| Math | ✓ Yes | No |
| Bounding boxes | ✓ Yes | No |
| Confidence | No | No |
| Forms | ✓ Yes | 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
Chandra
Datalab's OCR model that keeps layout and handles forms, tables and handwriting.
Chandra detailsAdobe Acrobat OCR
OCR built into Acrobat desktop. Adobe PDF Services API also offers OCR. Price is an estimate.
Adobe Acrobat OCR detailsUse one, fall back to the other
Request body
{
"model": "datalab/chandra",
"fallbacks": ["adobe/acrobat-ocr"],
"file_url": "https://example.com/document.pdf"
}